the number denoted by the area of circle is 5 times the number denoted by its circumference. find the radius of the circle.
Answers
Answered by
0
Answer:
Ar of a circle = πr^2
Circumference of circle= 2πr
therefore , according to the question
πr^2 = 5x2πr
r= 10πr÷πr
r = 10
Similar questions