Review - Unit4

Front

What is the reflexive property of equality?

Back

For any quantity a, a = a. This property states that any quantity is equal to itself.

Front

What is the triangle inequality theorem?

Back

The sum of the lengths of any two sides of a triangle must be greater than the length of the third side.

Front

If two angles are complementary, what is their sum?

Back

The sum of two complementary angles is 90 degrees.

Front

What is the definition of congruent segments?

Back

Two segments are congruent if they have the same length.

Front

What is the formula for the area of a triangle?

Back

Area = 1/2 * base * height.

Front

What does it mean for two angles to be supplementary?

Back

Two angles are supplementary if their sum is 180 degrees.

Front

If EF = 3x - 1 and HG = 2x + 4, how do you find EF when x = 5?

Back

Substituting x = 5 into EF gives EF = 3(5) - 1 = 14.

Front

What is the definition of a right triangle?

Back

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

Front

What is the Pythagorean theorem?

Back

In a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides.

Front

What is the definition of vertical angles?

Back

Vertical angles are the angles opposite each other when two lines intersect. They are always congruent.