The area of the shaded region is 50.2 square cm if the radius of the big and small circles are 5 cm, and 3 cm respectively option second is correct.
It is described as a set of points, where each point is at the same distance from a fixed point (called the centre of a circle)
Area of the big circle = π(10/2)²
= π(5)²
= 78.539 square cm
Area of the small circle = π(6/2)²
= π(3)²
= 28.274 square cm
Area of the shaded region = 78.539 - 28.274 = 50.2 square cm
Thus, the area of the shaded region is 50.2 square cm if the radius of the big and small circles are 5 cm, and 3 cm respectively option second is correct.
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