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18 votes
Which set of angle measures can be the angle measures of a triangle?

A 31°, 60°, 90°31°, 60°, 90°

B 18.4°, 32.6°, 129°18.4°, 32.6°, 129°

C 125°, 25°, 40°125°, 25°, 40°

D 10°, 120°, 40°

User Marilyne
by
7.7k points

1 Answer

3 votes

Answer:

Explanation:

There are two conditions that need to be in place.

  • The sum of the angles must equal 180
  • There must be exactly 3 angles.

A has too many angles. The answer is not A.

B same as A

C same as A

D doesn't add to 180. Not D

You have no answer unless there is another choice.

User Erki Aring
by
7.8k points
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