raybanz raybanz

15-08-2017
Mathematics

contestada

The diameter of a round dinner plate is 10 inches. What's the area of the plate?

A. 39.25 inches
B. 78.5 square inches
C. 39.25 square inches
D. 314 square inches

Respuesta :

Аноним Аноним

27-08-2017

B 78.5 square inches

Answer Link

iceroll93 iceroll93

28-08-2017

The radius is half the diameter. r = 10/2 = 5 inches.
A = (3.14)(5^2)
A = (3.14)(25)
A = 78.5 square inches.hope that helps

Answer Link

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