The radius of Circle A is 7 cm. The radius of Circle B is 4 cm greater than the radius of Circle A. The radius of Circle C is 2 cm greater than the radius of Circle B. The radius of Circle D is 3 cm less than the radius of Circle C. What is the area of each circle? How many times greater than the area of Circle A is the area of Circle D?
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Answer:
44cm
Step-by-step explanation:
A=44
r=7 cm
Circumference of circle =2πr
=2×722×7
=44 cm
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