Review for Unit 4 Test - Geo

Front

What is the value of x if 2x + 1 = 7?

Back

x = 3

Front

In trapezoid ABCD, if the lengths of the bases are 10 and 6, what is the average length of the bases?

Back

Average length = (10 + 6) / 2 = 8

Front

What condition must be met for a parallelogram to be classified as a rhombus?

Back

At least one pair of adjacent sides must be equal in length.

Front

Solve for x: 3x - 5 = 25.

Back

x = 10

Front

What is the measure of angle R if the sum of angles in a triangle is 180° and the other two angles are 40° and 50°?

Back

m∠R = 180° - (40° + 50°) = 90°.

Front

What is the formula for the area of a trapezoid?

Back

Area = (1/2) * (Base1 + Base2) * Height.

Front

If two angles are supplementary, what is the relationship between their measures?

Back

The sum of their measures is 180°.

Front

What is the value of x in the equation 5x + 3 = 18?

Back

x = 3.

Front

In a parallelogram, what can be said about the opposite angles?

Back

Opposite angles are equal.

Front

What is the value of x if 4x - 8 = 0?

Back

x = 2.