TEKS 7.11C Find Missing Angle

Front

What is the sum of the angles in a triangle?

Back

180 degrees.

Front

If one angle in a triangle is 90 degrees, what type of triangle is it?

Back

Right triangle.

Front

What is the formula to find the missing angle in a triangle?

Back

Missing angle = 180 - (sum of the other two angles).

Front

What do you call an angle that is less than 90 degrees?

Back

Acute angle.

Front

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

Back

Right angle.

Front

What do you call an angle that is greater than 90 degrees but less than 180 degrees?

Back

Obtuse angle.

Front

If two angles are complementary, what is the sum of their measures?

Back

90 degrees.

Front

If two angles are supplementary, what is the sum of their measures?

Back

180 degrees.

Front

What is the measure of the missing angle if one angle is 47 degrees and the other is 53 degrees?

Back

The missing angle is 80 degrees.

Front

In a triangle, if one angle measures 60 degrees and another measures 40 degrees, what is the measure of the third angle?

Back

The third angle measures 80 degrees.