In 2 concentric circles, the inner radius is 2 cm and the outer radius is 4cm. What is the area
between the two circles?
Answers
Answered by
1
Answer:
area = pi r1^2 -pi r2^2
= pi(r1^2-r2^2)
pi(16-4)
=12pi
Answered by
8
Answer:37.68cm
Step-by-step explanation:
R1 = 4 cm = radius of bigger circle
R2 = 2cm = radius of smaller circle
Area between them = area of bigger circle - area of smaller circle
= 22/7*16-22/7*4
= 50.24-12.56
= 37.68cm
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