ClaudieRorabaugh ClaudieRorabaugh

11-12-2014
Mathematics

Answered

A trampoline gas an area of 49 • pi square feet. What is the diameter if the trampoline?

Verified Answer :

11-12-2014

So,
if the area is 49pi, and the formula for the area of a circle is radius squared times pi,

The square root of 49 is 7.
The radius is 7.
To find the diameter, you multiply the radius by 2 because the radius is half of the diameter.
7x2=14
The diameter is 14 square feet.
Hope I helped!

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mrudzki mrudzki

11-12-2014

\(area (S)= \pi r^2\)
so
\(49 \pi= \pi r^2\)
so r^2=49 then r=7
diameter is 2r=27=14

Answer Link

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