Question

The radius of Circle A is 7in. The radius of Circle B is 4in. greater than the radius of Circle A. The radius of Circle C is 3in. greater than the radius of Circle B. The radius of Circle D is 2in. less than the radius of Circle C. What is the area of each​ circle? How many times greater than the area of CircleA is the area of ​Circle D?

8-6: MathXL for School: Practice & Problem Solving

Answer 1

Answer:

$\huge\{answer$

Using the formula C = π d C = \pi d C=πd. That's it! We can just leave our answer like that in terms of π. So, the circumference of the circle is 10 π 10 \pi 10π units.