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Find the area of the shaded …

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Find the area of the shaded region .if pq=24 cm ,pr =7 cm and 0 is the centre of the circle .

Posted by Mamta Jemore 4 years, 7 months ago

CBSE > Class 10 > Mathematics

2 answers

Sahil Singh 4 years, 7 months ago

Given, PQ=24cm PR=7cm O is the center of circle To find shaded region In ∆PQR ar(PQR)= 1/2×PR×PQ 1/2×24×7=84cm^2 we know that RQ is the hypotenuse of ∆PQR and diameter of the circle then, To find RQ RQ^2=PR^2+PQ^2 RQ^2=24^2+7^2 RQ^2=576+49 RQ^2=625 RQ=√625 RQ=25cm area of circle semicircle, 1/2πr^2 1/2π×(24)^2 by solving using the value od π we get 6875/28 Area of shaded region= Area of semicircle- Area of tirange pqr 6875/28-84=4532/28ans

1Thank You

Prabhu Pachisia 4 years, 7 months ago

where is the figure?

1Thank You

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