Right Triangles Test

Front

What is 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

The Pythagorean theorem states that in a right triangle, the square of the length of the hypotenuse (c) is equal to the sum of the squares of the lengths of the other two sides (a and b): a² + b² = c².

Tags

CCSS.8.G.B.7

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 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 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

Front

How do you determine if a triangle is a right triangle?

Back

A triangle is a right triangle if it satisfies the Pythagorean theorem: a² + b² = c², where c is the longest side.

Tags

CCSS.8.G.B.8

Front

What is an obtuse triangle?

Back

An obtuse triangle is a triangle that has one angle measuring more than 90 degrees.

Tags

CCSS.4.G.A.2

Front

What is an acute triangle?

Back

An acute triangle is a triangle where all three angles are less than 90 degrees.

Tags

CCSS.4.G.A.2

Front

What is the inverse sine function used for?

Back

The inverse sine function (sin⁻¹) is used to find the angle whose sine is a given value.

Tags

CCSS.HSF.TF.B.7

Front

What is the inverse cosine function used for?

Back

The inverse cosine function (cos⁻¹) is used to find the angle whose cosine is a given value.

Tags

CCSS.HSF.TF.B.7