a circular clock face of radius 7cm has a frame of width 7 MM around it . find the area of the frame .
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Area of frame = (Area of clock including frame) - ( Area of clock)
Outer radius will be 7+0.7 = 7.7cm
So, area of frame = pi*{(7.7)^2 - 7^2}
= (22/7)*(7/10)*(14.7)
= 32.34cm^2
Outer radius will be 7+0.7 = 7.7cm
So, area of frame = pi*{(7.7)^2 - 7^2}
= (22/7)*(7/10)*(14.7)
= 32.34cm^2
shahbaaz90:
your answer is right
thanks
Wlcm.....
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