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Charra [1.4K]
3 years ago
14

The sum of the measures of the interior angles of a convex polygon is 3960°.

Mathematics
1 answer:
scZoUnD [109]3 years ago
5 0

Step-by-step explanation:

The sum of the interior angles of a convex regular polygon is 180 times (n-2), where n is the number of sides. Since we already know the sum, we can write 3,960 = 180(n-2). If you solve for n in this equation, you will have the number of sides.

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What is the measure of the third angle?
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Hope this helps!

(Also if you want to do this in one equation, you would do 40+60+x = 180
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