The radius of a circular sheet of metal is 14 cm. A circular piece of the sheet is cut out from it. The radius of the remaining piece is 7 cm. The area of the cut-out piece is * (a) 616 sq.cm (b) 154 sq cm (c) 462 sq. cm (d) 770 sq.cm
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Answered by
0
Answer:
(c) 462 cm^2.
Step-by-step explanation:
Area of remining piece = π(14^2 - 7^2)
= (14 - 7)(14+7) π
= 147π
= 462 cm^2.
Answered by
1
Answer:
(c) 462cm2
Step-by-step explanation:
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