Question

find the circumference of a circle whose area is 16 times the area of circle with diameter 7 m

Answer 1

we have diameter so we get radius 3.5. so area is πr2=38.46. first cirle area is 16 times so area we get is 38.46×16=615.44. so we have area so 615.44=πr2 so r2=196 so r=14.

Answer 2

Hey...
Here is ur ans...
Right and explained