GEOM Unit 9 Test Review

An expression using a root such as a square root or cube root.

• radical

• congruent

• angle

• trigonometry

A number multiplied by itself to equal another number.

• radical

• square root

• angle

• hypotunuse

Formed where 2 or more lines, segments, or rays intersect at a common point.

• radical

• square root

• angle

• leg

A triangle with one 90 degree vertex.

• angle

• vertex

• right angle

• right triangle

The 2 shorter sides of a right triangle.

• legs

• hypotenuse

• right angle

• b & c

The longest side of a right triangle (across from the 90 degree angle)

• legs

• hypotenuse

• right angle

• long leg

• Right triangle

• hypotenuse

• Triangle sum theorem

• Pythagorean Theorem

30-60-90 or 45-45-90 triangles

• Right Triangles

• Trigonometry

• Special Right Triangles

• Pythagorean Theorem

A 45-45-90 triangle (a right triangle with 2 congruent sides)

• Isosceles Right Triangle

• Acute Triangle

• Right Triangle

• Equilateral Triangle

The leg across from the 30 degree angle in a 30-60-90 triangle.

• long leg

• short leg

• hypotenuse

• right angle