What is the area of shaded portion? *
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Explanation:
A) area of shaded region= area of big circle - area of small circle
= (22/7 × 10.5 × 10.5) - (22/7 × 3.5 × 3.5)
= (22×1.5×10.5) - (22×0.5×3.5)
=346.5 - 38.5
=308 sq cm.
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