GTPC: Unit 3 Basic Terms in Trigonometry

Front

What is the definition of supplementary angles?

Back

Supplementary angles are two angles whose sum is 180 degrees.

Tags

CCSS.7.G.B.5

Front

What is the degree measure of a right angle?

Back

A right angle measures 90 degrees.

Tags

CCSS.4.G.A.1

Front

Convert 45 degrees into radians.

Back

45 degrees is equal to π/4 radians.

Tags

CCSS.HSF.TF.A.1

Front

What is the sum of angles in a triangle?

Back

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

Tags

CCSS.8.G.A.5

Front

If one angle is 70 degrees, what is the measure of its complementary angle?

Back

The complementary angle is 20 degrees (90 - 70 = 20).

Tags

CCSS.7.G.B.5

Front

What is the formula to find the measure of an angle in degrees from radians?

Back

Degrees = Radians × (180/π).

Tags

CCSS.HSF.TF.A.1

Front

Find the value of x if (6x - 4) + (8x - 12) = 180.

Back

x = 12.

Tags

CCSS.8.G.A.5

Front

What is the definition of an acute angle?

Back

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

Tags

CCSS.4.G.A.1

Front

Convert -18.515° into degrees, minutes, and seconds.

Back

-18°30'54".

Tags

CCSS.HSF.TF.A.1

Front

If two angles are supplementary and one angle is represented as (8x - 12)°, find the other angle if x = 10.

Back

The other angle is 100 degrees.

Tags

CCSS.7.G.B.5