alleryStart learning →A ring has outer radius 14 cm and inner radius 7 cm. Its area is? Use pi = 22/7.
A462 cm2
B616 cm2
C154 cm2
D308 cm2
Answer & Solution
Correct answer: A. 462 cm2
The ring is the big disc minus the small one: 616 - 154 = 462 cm2.
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