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): c² = a² + b².

Tags

CCSS.8.G.B.7

Front

How do you determine if a triangle is a right triangle using side lengths?

Back

To determine if a triangle is a right triangle, check if the square of the longest side equals the sum of the squares of the other two sides.

Tags

CCSS.8.G.B.8

Front

What is the sine function in relation to a right triangle?

Back

The sine function is the ratio of the length of the opposite side to the length of the hypotenuse: sin(θ) = opposite/hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

What is the cosine function in relation to a right triangle?

Back

The cosine function is the ratio of the length of the adjacent side to the length of the hypotenuse: cos(θ) = adjacent/hypotenuse.

Tags

CCSS.HSG.SRT.C.6

Front

What is the tangent function in relation to a right triangle?

Back

The tangent function is the ratio of the length of the opposite side to the length of the adjacent side: tan(θ) = opposite/adjacent.

Tags

CCSS.HSG.SRT.C.6

Front

What is a radical expression?

Back

A radical expression is an expression that includes a root, such as a square root (√) or cube root (∛).

Tags

CCSS.8.NS.A.1

Front

How do you simplify √72?

Back

√72 can be simplified to 6√2 by factoring 72 into 36 and 2, where √36 = 6.

Front

What does it mean for a triangle to be obtuse?

Back

A triangle is obtuse if one of its angles measures more than 90 degrees.

Tags

CCSS.4.G.A.2

Front

What does it mean for a triangle to be acute?

Back

A triangle is acute if all of its angles measure less than 90 degrees.

Tags

CCSS.4.G.A.2