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anonymous
 5 years ago
A convex heptagon has interior angles that measure 120, 115, 135, 95, 155, and 125 degrees. What is the measure of the seventh interior angle?
anonymous
 5 years ago
A convex heptagon has interior angles that measure 120, 115, 135, 95, 155, and 125 degrees. What is the measure of the seventh interior angle?

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0The sum of the interior angles of a convex polygon is always\[(n2)180 \]degrees. Your heptagon should have a complete angle sum of (72)*180=900. All you have to do is subtract the six angles you have to get your seventh. Should be 155.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0No what you do is add up all the numbers and then do 365degree's subtacted ny the sum of all the numbers and it gives you the seventh degree.(: your welcome!!! hey i'm pretty smart cause i'm only 11.
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