Interior & exterior Triangles (5.28.21)

Front

Angles that have a measure less than 90 degrees are called _____ ______.

Back

acute angles

Front

Find the missing angle if one angle is 29° and the other is 39°. What is the third angle?

Back

39°

Front

What is the measure of angle x if it is the largest angle in a triangle and the other two angles are 45° and 60°?

Back

75°

Front

Find the measure of the indicated angle if the total of the angles in a triangle is 180° and two angles are 89° and 2°. What is the third angle?

Back

89°

Front

If two angles in a triangle are 87° and 180°, what is the measure of the third angle x?

Back

93°

Front

What is the sum of the interior angles of a triangle?

Back

180°

Front

What do you call a triangle with one angle measuring more than 90 degrees?

Back

Obtuse triangle

Front

What do you call a triangle with one angle measuring exactly 90 degrees?

Back

Right triangle

Front

What is the relationship between the angles in a triangle?

Back

The sum of the interior angles is always 180°.

Front

If one angle in a triangle is 60° and another is 30°, what is the measure of the third angle?

Back

90°