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04-05-2017
Mathematics

contestada

A dinner plate has a circumference of 106.76 cm. What is the area of the dinner plate?

Respuesta :

04-05-2017

C=πd where C=circumference and d=diameter...

A=(πd^2)/4, from the first we see that d=C/π, and this makes the Area:

A=(π/4)(C/π)^2

A=C^2/(4π), since C=106.76

A=11395.5625/(4π) cm^2

A≈906.83 cm^2

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