ACT 15 - 16 Unit Test Review

Which sides are parallel in the given parallelogram?

• AB || DC

• AD || BC

• AB || AD

• AC || BD

Which angle is congruent to ∠DCB in the parallelogram?

• ∠ABC

• ∠ADC

• ∠CDA

• ∠DAB

Answer explanation

Opposite angles are congruent

Which angle is supplementary to ∠DCB in the parallelogram?

(Choose 2)

• ∠ABC

• ∠ADC

• ∠CDA

• ∠DAB

Answer explanation

Consecutive angles are supplementary

(consecutive means next to each other)

Which property is true for both a rhombus and a square?

• Diagonals bisect each other

• Diagonals are congruent

• Opposite sides are parallel

• All angles are right angles

What is the value of x in figure 8?

• 90

• 105

• 120

• 130

What is the best name for the quadrilateral in figure 9 based on the markings?

• Rectangle

• Isosceles Trapezoid

• Square

• Rhombus

What is the value of y in Figure 9?

• 70

• 79

• 85

• 90

Answer explanation

Base angles are congruent in an Isosceles Trapezoid.

What is the value of x in figure 9?

• 70

• 101

• 85

• 90

Answer explanation

m < x + 79 = 180

What is the best name for the quadrilateral in figure 10 based on the markings?

• Kite

• Parallelogram

• Rectangle

• Trapezoid

What is the value of x?

• 90

• 65

• 25

• 180

Answer explanation

The diagonals of a Kite are perpendicular (intersect in right angles or 90)