9. Find the area of smaller circle. (Hint: find' OC)
А
11cm
B
O.
4cm
Answers
Answered by
23
Answer:
154cm²
Step-by-step explanation:
Area of smaller circle = π r²
Radius of smaller circle = 11 - 4
= 7cm
Area = 22 × 7 × 7
= 154 cm²
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