Find the area of shaded region....Class 10 question
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Answer:
bro that 5 is radius or diameter
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please re-upload question nicely
fast I'm too in 10th class
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Solution:-
Here, in the question there is one right angled triangle and a semicircle.So to find out the area of shaded part we should do
⇒area of semicircle - area of triangle
➽Area of semicircle = 1/2 π r²
➽Area of semicircle = 1/2 ×22/7×5/2×5/2
➽Area of semicircle = 11×25/28
➽Area of semicircle = 275 /28 cm² 9.821 cm²
➽Area of triangle = 1/2 × 4 × 3 ( note that we used pythagorus theorum to find the height of the triangle )
➽Area of triangle = 6 cm ²
Area of shaded part = 9.82-6 = 3.82 cm (approximately)
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