Leeyah8065 Leeyah8065
  • 01-10-2018
  • Mathematics
contestada

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

Respuesta :

brainfoodz
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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