GTPC: Unit 3 Basic Terms in Trigonometry

Front

What are supplementary angles?

Back

Supplementary angles are two angles whose measures add up to 180 degrees.

Front

If angle A is 39°50', what is its supplementary angle?

Back

The supplementary angle is 140°10'.

Front

What are complementary angles?

Back

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

Front

If angle B is represented as (6x-4)° and angle C as (8x-12)°, what is the sum of angles B and C?

Back

The sum is 180°, making them supplementary.

Front

Find the supplementary angle of 1°.

Back

The supplementary angle is 179°.

Front

If two complementary angles are represented as (9x+6)° and (3x)°, what is the sum of angles?

Back

The sum is 90°, making them complementary.

Front

What is the formula to find the supplementary angle of an angle x?

Back

The supplementary angle is 180° - x.

Front

What is the formula to find the complementary angle of an angle x?

Back

The complementary angle is 90° - x.

Front

If two angles are supplementary and one angle is 80°, what is the other angle?

Back

The other angle is 100°.

Front

If two angles are complementary and one angle is 70°, what is the other angle?

Back

The other angle is 20°.