2
Question
Find the area of the ground covered by the cracker in the image knowing that the sparkle was 28 cm from the cracker.
Find the area of the ground covered by the cracker in the image knowing that the sparkle was 28 cm from the cracker.
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Solution
The correct option is B 2464 cm2
Area of the circle = π r2
Radius of the circle traced is 28 cm as the cracker is the center and the sparkle is the radius. So area of ground covered by the cracker = (22/7) × 28 × 28 = 2464 cm2
2464 cm2
Area of the circle = π r2
Radius of the circle traced is 28 cm as the cracker is the center and the sparkle is the radius.
So area of ground covered by the cracker = (22/7) × 28 × 28 = 2464 cm2
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