U4L1 Progress Check

Front

Back

Front

Back

90

Front

Back

32

Front

Back

Front

Back

Front

Define an acute angle.

Back

An acute angle is an angle that measures less than 90 degrees.

Front

Define a right angle.

Back

A right angle is an angle that measures exactly 90 degrees.

Front

Define an obtuse angle.

Back

An obtuse angle is an angle that measures more than 90 degrees but less than 180 degrees.

Front

What is the sum of angles in a triangle?

Back

The sum of angles in a triangle is always 180 degrees.

Front

What is the relationship between complementary angles?

Back

Complementary angles are two angles whose measures add up to 90 degrees.