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Sloan [31]
3 years ago
7

A flying disc has has a circumference of 81.64 cm what is the area of the flying disc used 3.14 for pie

Mathematics
2 answers:
katrin [286]3 years ago
8 0

Answer:

530.66 cm squared

Step-by-step explanation:

c = 2(3.14)r

81.64 = 2(3.14)r

Divide both sides by 6.28

The radius is 13

a = 3.14(13 squared)

a = 530.66

erastovalidia [21]3 years ago
8 0

Answer: 530.39 cm²

Step-by-step explanation:

C=2πr, Substitute 81.64 in for C then divide 2π t get 12.99. A=πr². Plug in 12.99 for r, solve, and get 530.39 cm

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