Triangle Sum Theorem

Front

The Triangle Sum Theorem states that the sum of all angles in a triangle is ______. Options: 45°, 90°, 180°, 360°

Back

180°

Front

What is the third angle of a triangle whose 1st angle is 34 and 2nd angle is 101?

Back

45

Front

Which set of angles will form a triangle? Options: 45°, 65°, 70°; 150°, 110°, 100°; 50°, 50°, 50°; 90°, 90°, 90°

Back

45°, 65°, 70°

Front

A triangle has one angle that measures 81° and one that measures 37°. What is the measure of the third angle?

Back

62°

Front

Solve for x.

Back

6

Front

Solve for x.

Back

7

Front

Find the measure of the missing angle.

Back

47

Front

If all three angles are exactly the same measure, how big is each angle? Hint:    x + x + x  = 180

Back

60 degrees

Front

Angles that are exactly 90 degrees are called _____ ______.

Back

right angles