find the area of shaded portion
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according to given question,
area of shaded region =1/4×pie×(R^2-r^2)
=1/4×22/7×(28^2-21^2)
=269.5sq.cm
:-)hope it helps u.
area of shaded region =1/4×pie×(R^2-r^2)
=1/4×22/7×(28^2-21^2)
=269.5sq.cm
:-)hope it helps u.
navya854:
pls mark as brainliest.
can u plzz say y ur taking 1/4 pi
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