3 years ago

A road sign is in the shape of a heptagon (7 sides). What is the measure of each angle on the sign? Round to the nearest tenth.

I gave y'all the exact question, I have no idea where to start.

Mathematics

1 answer:

Marat540 [252]3 years ago

3 0

$\frac{(n-2)\cdot180}{n}\\\\
n=7\\
\frac{(7-2)\cdot180}{7}=\frac{5\cdot180}{7}\approx 128.6^{\circ}
$

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