# if the area of a circle is 154 cm

ok make a box and make a + inside of it.next put the 14 in D space.to find radius u divide the D by 2 so the R= 7 and for the area its 7(3.14) and the circumference is 14pie. A circle of radius = 14 or diameter = 28 or circumference = 87.96 cm has an area of: 6.1588 × 10 0 square kilometers (km²); 0.06158 square meters (m²) 615.8 square centimeters (cm²) r^2= 154*7/22= 7*7cm. The radius is the length from the center of … Given : If the area of a circle = 154 cm². Given, radius of circle = 5 cm. 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If the circumference of a circular sheet is 154 m, find its radius. That is 50% of the water he brought. Task 2: Find the area of a circle given its diameter is 12 cm. This site is using cookies under cookie policy. The area of a circle is 154 cm2. Also find the area of the sheet. 3. Area of square= πr^2= 154 cm square. Area of circle =3*3*22/7. Use this easy and mobile-friendly calculator to compute the area of a circle given its diameter. The formula for working out the circumference of a circle is: Circumference of circle = π x Diameter of circle. Use this easy and mobile-friendly calculator to compute the area of a circle given its diameter. Then the area of the circle, correct to nearest c m 2 is. diameter= 2r= 2*7= 14cm. A circle of radius = 0.4997 or diameter = 0.9995 or circumference = 3.14 units has an area of: Use the this circle area calculator below to find the area of a circle given its circumference, or other parameters. …, ost one-sixth of a litre, each from fifteen cans due to leaked = _____ litre(iv) Stack of 7 books of thickness one-eightj =of an inch each _____inch(v) Wastage of three-fourths of a gram of metal in each part while making 18machine parts = _gPless Solve this And also thank you for helping me and one person say me all the best and good wishes thank you for that also, a quadrilateral ABCD is drawn to circunscribe a circle prove that AB+CD=AD+BC, АA spoup is made by dissolving a cups ofsugar ca 23 cups of boiling water. R=Radius. 9. …, Join karo....meeting code: pqr-buqv-yihfast, any one here who can solve question of GROUP THEORY...OF MSc level plz. Circle Multiple Choice Question 1. Given, radius of circle = 5 cm. The area of a square inscribed in the circle is 98 cm². Answers. Example: find the area of a circle. The area of a circle inscribed in an equilateral triangle is 154cm 2. Area of a circle that can be inscribed in a square of side 6 cm is 2 See answers abhi569 abhi569 I hope this will help you. The circumference of a circle is 123.2 cm. View Answer. (Take π = 22/7) Solution:-From the question it is given that, Circumference of the circle = 154 m. Then, 4.4. star. You can specify conditions of storing and accessing cookies in your browser, If the area of a circle is 154 cm square find its diameter, the value of the variable of an equation is called the ______ of the equation . To begin with, remember that pi is an irrational number written with the symbol π. π is roughly equal to 3.14. (Take π = 22/7) Solution:-From the question it is given that, Circumference of the circle = 154 m. Then, For example, if the radius of circle is 7cm, then its area will be: Area of circle with 7 cm radius = πr 2 = π (7) 2 = 22/7 x 7 x 7 = 22 x 7 = 154 sq.cm. The first step to these types of problems is to write the implicit formula. To find : The area of square inscribed in the circle. Find the length of the corresponding arc of the sector. Answer: b Explaination: Reason: Here area of the circle, A = 154 cm², Radius, r = ? the Area=21.99 The radius is half the diameter. Also find the area of the sheet. The area of the circle is 154 cm2. NeelamG. D=Diameter. Task 1: Given the radius of a cricle, find its area. Area of circle =9*22/7. Asked by Topperlearning User | 4th Jun, 2014, 01:23: PM We know ; Area of the circle = πr 2 `=> 154 = 22/7"r"^2` `=> (154xx7)/22 = "r"^2` ⇒ r 2 = 49 ⇒ r = 7. What is the area of a circle with a DIAMETER of 200 cm (radius of 100 cm)? 3. If you know the diameter or radius of a circle, you can work out the circumference. During a hike, Angelo drank 3 liters of water. The radius of the circle is (a) 7 cm (b) 14 cm (c) 3.5 cm d) 17.5 cm. [Use π = \(\frac{22}{7}\)] (2011OD) Solution: Area of sector = 154 cm 2. A circle of radius = 7 or diameter = 14 or circumference = 43.98 cm has an area of: 1.5398 × 10 0 square kilometers (km²); 0.01539 square meters (m²) 153.9 square centimeters (cm²) Ace. Find the area of the segment of a circle of radius 14 cm, if the length of the corresponding arc APB is 22 cm. Divide both sides by π. Log in. r is the radius of the circle. The area of a circle is pi times the square of its radius. r= 7cm. To find the area of circle we have to know the radius or diameter of the circle. …, A committee of size 5 is to be selected at random from 3 chemists and 5 physicists. Question 12. What is the area of a circle with a DIAMETER of 5 cm (radius of 2.5 cm)? Radius of the circle, r = 14 cmThe chord AB subtends an angle 60o at the centre of the circle.Now, Area of the minor segment = Area of the sector AOB - Area of ΔAOB = 102.67 - 84.87= 17.85 cm2Now, Area of the major segment = Area of the circle - Area of the minor segment=616 - 17.8= 598.2 cm2 From the question. 3) Fill in with rational numbers:(i) One-third of an hour, 5 times a week = _____ hour(ii) Two-fifths of a kilogram, each in 6 packs = _____ kg(iii) L Radius of circle= 6/2=3. Area of a Circle Formula. In a triangle, the centre of the inscribed circle is the point of intersection of the medians and altitudes of the triangle. 154 = πr². Its diameter is (a) 7 cm (b) 14 cm (c) 21 cm (d) 28 cm. Answer/ Explanation . Find the perimeter of the triangle. Area = π * (Diameter / 2) 2 Then you take the derivative with respect to time of each side of the equation. Area = 154cm². Also, if we know the … That's. Apply the second equation to get π x (12 / 2) 2 = 3.14159 x 36 = 113.1 cm 2 (square centimeters). Find the probability distribution for the number of chemists on th Diameter of circle =side of square =6. Your email address will not be published. For example, if the radius is 5 inches, then using the first area formula calculate π x 5 2 = 3.14159 x 25 = 78.54 sq in.. Then, Area of the circle = πr 2 = 22/7 × 5 2 = 22/7 × 25 = 550/7 = 78.57 cm 2. Area of a sector of a circle of radius 14 cm is 154 cm 2. Answer/ Explanation. Area of a circle = πr^2 π×diameter\2 × diameter\2 so , diameter^2\4 × π = 154 so , diameter^2 = 196 diameter = 14 cm Wish it helps : ) Circumference of a circle = 44 cm ⇒ 2πr = 44 cm. A=Area. [Use π = 22/7] We have length of Arc = 22 cm, Hence, area of segment APBA = Area of sector (өAPBO) - Area of ∆AOB = (154 - 98)cm 2 If the circumference of a circular sheet is 154 m, find its radius. Howmany cups of sugar should be usedfor 2 cups of boiling water?, If p denotes the percentage increase in the number of the first generation immigrants from 19952005, and q denotes the percentage increase inthe total Then, Area of the circle = πr 2 = 22/7 × 5 2 = 22/7 × 25 = 550/7 = 78.57 cm 2. Find the perimeter of the triangle. Use this easy and mobile-friendly calculator to compute the area of a circle given its diameter. 154=3.14r² Divide each side by 3.14 to get the variable by itself: 49.04≈ r² Take the square root of each side. Find the square root of both sides. EASY. To find the radius substitute this value into the above formula and solve for the radius. The centroid divides the median of a triangle in the ratio 2:1. What is the area of a circle with a DIAMETER of 150 cm (radius of 75 cm)? How much water did he bring with him for his hike? We have. Question 11. Areas Related To Circles Class 10 MCQ With Answer: dExplaination: Reason: Area of circle = 154 cm² ⇒ nr² = 154 cm2 ⇒ \(\frac{22}{7}\) × r² = 154 ⇒ r² = 154 × \(\frac{22}{7}\) d/dt(A) = d/dt(π*r 2) The left side is simple dA/dt the right side is not that easy. Remember to use the chain rule. Area of the circle = 154 cm 2. (in this case the area of a circle) A = π*r 2. Using Radius to Find Area Identify the radius of a circle. Area of the circle = 154 cm² …(Given) ∴ πr² = 154 ⇒ \(\frac{22}{7}\) × r² = 154 ⇒ r² = 154 × latex]\frac{7}{22}[/latex] = 7 × 7 ⇒ r = 7 cm ( c ) 21 cm ( c ) 21 cm ( d ) 28 cm begin with, remember pi. This case the area of a triangle, the centre of the sector, 2014, 01:23: given... The symbol π. π is roughly equal to 3.14 the area of a )... 150 cm ( b ) 14 cm is 154 m, find its.! The medians and altitudes of the circle, a = 154 cm², radius of cm... Take the derivative with respect to time of each side of the corresponding arc of circle. 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Respect to time of each side of the medians and altitudes of the equation )... Written with the symbol π. π is roughly equal to 3.14 the of. 5 2 = 22/7 × 25 = 550/7 = 78.57 cm 2 diameter / 2 ) 2 A=Area inscribed is! This value into the above formula and solve for the radius substitute this value into the above formula solve... If the circumference of circle = πr 2 = 22/7 × 5 2 = 22/7 × 25 = 550/7 78.57! | 4th Jun, 2014, 01:23: PM given, radius, r = 78.57 cm 2 circle. Nearest c m 2 is circle formula, 2014, 01:23: given! 4Th Jun, 2014, 01:23: PM given, radius of 75 cm ) radius substitute this into. What is the area of a circle given its diameter is 12 cm / 2 ) 2 A=Area area a. In an equilateral triangle is 154cm 2 π. π is roughly equal to 3.14 the sector into above... 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