Unit 8 Review

Front

What is the Pythagorean Theorem?

Back

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). Formula: a² + b² = c².

Tags

CCSS.8.G.B.8

Front

What is a right triangle?

Back

A triangle that has one angle measuring 90 degrees.

Tags

CCSS.4.G.A.2

Front

What is the length of the hypotenuse in a right triangle with legs of length 12 and 16?

Back

20 (Using the Pythagorean theorem: 12² + 16² = 20²).

Tags

CCSS.8.G.B.7

Front

What is a 45°-45°-90° triangle?

Back

An isosceles right triangle where the angles are 45 degrees, 45 degrees, and 90 degrees. The sides opposite the 45-degree angles are equal.

Tags

CCSS.8.G.B.8

Front

What is the sine function?

Back

In a right triangle, 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 function?

Back

In a right triangle, 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 function?

Back

In a right triangle, 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 set of numbers can form a right triangle?

Back

Use the Pythagorean theorem: If a² + b² = c² holds true for the numbers, they can form a right triangle.

Tags

CCSS.8.G.B.8

Front

What is the relationship between the angles in a triangle?

Back

The sum of the interior angles in any triangle is always 180 degrees.

Tags

CCSS.8.G.A.5

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.

Tags

CCSS.6.G.A.1