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A convex heptagon has interior angels of 125, 155, 95, 135, 120, and 115. What is the measure of the 7th angle?
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A convex heptagon has interior angels of 125, 155, 95, 135, 120, and 115. What is the measure of the 7th angle?

User John Ladasky
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1 Answer

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Sum of those 6 angles is 745 degrees
7th angle should make it equal 900
900-745=155
User Inherited Geek
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