Day 131: Triangle Sum Theorem

Front

What is the Triangle Sum Theorem?

Back

The Triangle Sum Theorem states that the sum of the interior angles of a triangle is always 180 degrees.

Front

If one angle of a triangle is 34 degrees and another is 101 degrees, what is the third angle?

Back

45 degrees.

Front

What do you call an angle that measures exactly 90 degrees?

Back

Right angle.

Front

If a triangle has angles measuring 36 degrees and 134 degrees, what is the measure of the missing angle?

Back

10 degrees.

Front

What is the measure of the missing angle if two angles are 66 degrees and 48 degrees?

Back

66 degrees.

Front

What is the sum of the angles in any triangle?

Back

180 degrees.

Front

If one angle of a triangle is 119 degrees and another is 48 degrees, what is the third angle?

Back

13 degrees.

Front

What type of angle is less than 90 degrees?

Back

Acute angle.

Front

What type of angle is greater than 90 degrees but less than 180 degrees?

Back

Obtuse angle.

Front

If a triangle has angles measuring 74 degrees and 61 degrees, what is the measure of the missing angle?

Back

45 degrees.