help me plzzzzz.......... (^_^)
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Step-by-step explanation:
area of shaded region = (area of semicircle ARC + area of semicircle BSD ) – area of semicircle APB and CQD
= πr^2 – πr^2
= 22/7 × 7 × 7 – 22/7 × 7/2 × 7/2
= 154 – 77/2
= 308 - 77/2
= 231/2
= 115.5
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