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The measure of two angels of a triangle are 47° and 72°. What is the measurement of the third angel?
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The measure of two angels of a triangle are 47° and 72°. What is the measurement of the third angel?

User Gomathi
by
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2 Answers

5 votes
180-47-72=61°

if the triangle has a 180 degree angle, subtract 180 from the two angles already given.
User Osamu
by
9.0k points
6 votes
61 degrees

The reasoning is simple, a triangle must always add up to 180 degrees
47 + 72 = 119

180 - 119 = 61 degrees

Hope this helps!
User SilentNot
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8.0k points
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