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Evgesh-ka [11]
3 years ago
7

Carla must ice a german chocolate cake. The diameter of the cake is 6 cm. Use the formula A = 3.14 x r2 to find the area of the

cake.
A) 7.07


B) 19.63
Eliminate

C) 20.56


D) 28.26
Mathematics
2 answers:
blsea [12.9K]3 years ago
6 0
Diameter = 6    6/2 = 3
Radius = 3            3 to the power of 2 = 9
A = (3.14)(9) = 28.26
Sever21 [200]3 years ago
3 0
The radius(r) is half the diameter. So just plug 3 into the equation A=πr². A=3π². The area is about 29.60 (which I think you meant to write for D).
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