What is the diameter of a pizza pie that is 121 squares inches

Question

01-10-2018
Mathematics

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What is the diameter of a pizza pie that is 121 squares inches

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brainfoodz brainfoodz · Answer 1 · 2018-10-01T13:20:40+02:00

brainfoodz brainfoodz

01-10-2018

The area of a circle is given by

[tex]a = \pi\times {r}^{2} [/tex]

and diameter is 2 times the radius

then

121 = pi * d^2/4

d^2 = 121*4/pi

d=sqrt(121*4/pi)

d=12,4 inches

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