A circle has an area of 50 square meters. Which answer is closest to the measure of its diameter?

asked Aug 19, 2018 124k views

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8 meters is the answer

Horst Walter answered Aug 21, 2018

8.1k points

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A =
$\pi*r^(2)$
50 =
$\pi*r^(2)$

r^(2)

=
$(50)/( \pi )$
r =
$\sqrt{ (50)/( \pi ) }$
d = 2*r
d = 7.97884....
≈8 (1.s.f)

Moertel answered Aug 26, 2018

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