Question

2. Find the area of the shaded region in the adjoining figure in which PQ = 24 CM
and OR 7 cm. (Take n = 3.14)
answer is 322.625m^2
(hint:calculate PR=PSsq +SRsq squareroot and now radius QR =1/2 PR​

Answer 1

Answer:

322.625cm²

Step-by-step explanation:

given,pq=24cm ,qr=7cm

area of rectangle= l×b =7×24=168cm²

Diameter =pr

pr² = ps²+sr²

pr²=7²+24²

pr² =49+576

pr²=625

pr=√625=√25×25=25 cm

radius,or=1/2 pr = 1/2×25=25/2=12.5 cm

therefore,area of circle= πr²

=3.14×12.5×12.5=490.625 cm²

Area of shaded region= area of circle - area of rectangle

=490.625-268 = 322.625 cm²

it is absolutely correct answer

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