Answer:
A=45m^2
Step-by-step explanation:
l*w
Answer:
sure!
Step-by-step explanation:
:)
<span>Sum of Interior Angles = (Number of Sides -2) • 180 degrees
900 = </span><span>(Number of Sides -2) • 180 degrees
900 / 180 = </span><span>Number of Sides -2
5 = </span><span>Number of Sides -2
</span><span>Number of Sides = 7
Polygon is a heptagon.
http://www.1728.org/polygon.htm
</span>
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R = radius for the semi-circle
The required area is r^2
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