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प्रश्न
Find the perimeter of the given figure.
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उत्तर
Perimeter of AOB
= `1/4 (2pir) + 2r`
= `1/2 xx 22/7 xx 6.3 + 2 xx 6.3`
= 9.9 + 12.6
= 22.5 cm
∴ Perimeter of whole figure = 2 × 22.5 = 45 cm
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