Front

What is the definition of a right triangle?

Back

A right triangle is a triangle that has one angle measuring 90 degrees.

Tags

CCSS.4.G.A.2

Front

What is the Pythagorean theorem?

Back

Tags

CCSS.8.G.B.8

Front

What is the ratio for sine (sin) in a right triangle?

Back

The ratio for sine is Opposite side / Hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

What is the ratio for tangent (tan) in a right triangle?

Back

The ratio for tangent is Opposite side / Adjacent side.

Tags

CCSS.HSG.SRT.C.6

Front

What is the hypotenuse in a right triangle?

Back

The hypotenuse is the longest side of a right triangle, opposite the right angle.

Front

If one angle in a right triangle is 30 degrees, what is the ratio of the sides?

Back

The ratio of the sides opposite the 30°, 60°, and 90° angles is 1:√3:2.

Tags

CCSS.HSG.SRT.C.8

Front

How do you find the length of a missing side in a right triangle?

Back

Use the Pythagorean theorem or trigonometric ratios (sin, cos, tan) depending on the information given.

Tags

CCSS.HSG.SRT.C.8

Front

What is the cosine of an angle in a right triangle?

Back

The cosine of an angle is the ratio of the length of the adjacent side to the length of the hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

What is the sine of an angle in a right triangle?

Back

The sine of an angle is the ratio of the length of the opposite side to the length of the hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

What is the tangent of an angle in a right triangle?

Back

The tangent of an angle is the ratio of the length of the opposite side to the length of the adjacent side.

Tags

CCSS.HSG.SRT.C.6