Question

Find the shaded surface. Give the answer in terms of π

Answer 1

Answer:

16( π - 2 ) cm^2

Step-by-step explanation:

Given diagram has two shapes.

Here, there is a right-angled triangle and its area should half of the product of its side( excluding hypotenuse ) and second one is a 1 / 4 of circle and its area should be 1 / 4 or πr^2 , where r is the radius.

Thus,

⇒ Shaded area = Area of 1 / 4 of circle - area of triangle

           ⇒ 1 / 4 ( π )( 8 cm )^2 - 1 / 2 [ 8 cm x 8 cm ]

           ⇒ 64 / 4 ( π ) cm^2 - ( 4 x 8 ) cm^2

           ⇒ 16π cm^2 - 32 cm^2

           ⇒ 16( π - 2 ) cm^2

Answer 2

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