Web23 mrt. 2024 · decreases in the area when the radius of the circle is decreased by 10 % . So, option C is the correct option. Note: We should note that what is given in the … WebSolution Let the radius of the circle be $$r$$ Then area of cirlce $$=\pi r^2$$ Given that radius of the circle is diminished by $$10\%$$ Hence the new radius $$= r - (10\% \:of\: r) = 90\%\: of\: r = \dfrac{9r}{10}$$ Area of the new circle $$=\pi \left(\dfrac{9r}{10}\right)^2=\dfrac{81}{100}\pi r^2 $$

Class10 If the radius of a circle is diminished by 10%, then its area ...

Web7 apr. 2024 · Complete Step by Step Solution: We know that the area of the circle is given by π r 2 where r is the radius We are given that the radius is decreasing by 50 % which means that it is becoming half Therefore the new radius let it be R will be R = r 2 Therefore the new area becomes π R 2 = π ( r 2) 2 = π ( r 2 4) = 1 4 × π r 2 WebExamveda If radius of a circle is increased by 5%, then the increase in it's area is : A. 10.25% B. 5.75% C. 10% D. 5% Answer: Option A Solution (By Examveda Team) Quicker approach ↑ in A = a + b + a b 100 Here a = b = 5% ↑ in A : = ( 5 + 5 + 5 × 5 100) % = 10.25 % Join The Discussion * Related Questions on Percentage new tactical gun safe

If the radius of a circle is diminished by 10 %, then its area is ...

Web12 feb. 2011 · The formula for the area (A) of a circle is A = πr2. If the area is 100π then 100π = πr2 : 100 = r2 : r = √100 = 10. The radius is of length 10 units. What is the area of circle with a... WebSolution. Let the radius of the circle be $$r$$. Then area of cirlce $$=\pi r^2$$. Given that radius of the circle is diminished by $$10\%$$. Hence the new radius $$= r - (10\% … WebIf the radius of a circle is diminished by 10%, then its area is . Solution Show Solution Let x be the initial radius of the circle. Now we will find the percentage decreased in the area. Therefore, its area is diminished. Loyal Support. Loyalty is one of the most important qualities in a person. mid south pulmonary group