a circular clock face of radius 7 cm is a frame of with 7 mm around it find the area of the frame
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R=7.7cm
r=7cm
now area of frame = π(R^2-r^2)
you out value..you will get answer..
r=7cm
now area of frame = π(R^2-r^2)
you out value..you will get answer..
arkaprabha55:
^what means this sign
answer not matched
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