20. In the given figure, the area of segment PAG is ______cm².
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sorry this question is above than my level
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Step-by-step explanation:
Area of circle = pie r²
area of 1/4 = pie r square / 4
22/7 × a²/4
now area of truangle which is bh/2
22a²/28 - a²/2
=> 22a²/28 - 14a²/28
=> 8a²/28 => 2a²/7
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