On a trip to the museum, lance saw a replica of a circular shield used by ancient greek soldiers. if the circumference of the shield is 100.48 inches, its radius is inches and the area of the front of the shield is about square inches.

Question

Mathematics

Elena Carey

11 October, 04:51

On a trip to the museum, lance saw a replica of a circular shield used by ancient greek soldiers. if the circumference of the shield is 100.48 inches, its radius is inches and the area of the front of the shield is about square inches.

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Answers (1)

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Susan Haas · Answer 1

If the circumference of the shield is 100.48inches, nits radius is 16 inches and the area of the front of the shield is about 803.84 square inches.

proof

circumference = 2x r x Pi implies r = circumference / 2Pi=100.48/2x3.14=16

area = Pi x r²=3.14 x 16²=804.84