Geometry Post-Course Test

Which congruence transformations map ΔXYZ to ΔX'Y'Z'?

Select all that apply.

• reflection in the y-axis, followed by a reflection in the x-axis

• rotation of 90° counterclockwise about the origin, followed by a reflection in the y-axis

• rotation of 270° counterclockwise about the origin, followed by a reflection in the x-axis

• reflection in the x-axis, followed by a reflection in the y-axis

• reflection in the x-axis, followed by a rotation of 90° counterclockwise about the origin

What is the perimeter of the parallelogram?

• 12 units

• 15 units

• 30 units

• 44 units

What is m∠BD?

• 11°

• 18°

• 24°

• 32°

Points B and D are points of tangency. What are the values of x? Select all that apply.

• 2

• -2

• 3

• 6

• -3

What is another name for CD̅? Select all that apply.

• DC̅

• CE̅

• ED̅

• AB̅

• line m

What is an equation of the perpendicular bisector of the segment with endpoints M(-3, 8) and N(1, -2)?

What is the area of the trapezoid?

• 20 square units

• 4√5 + 4√10 square units

• 20√2 square units

• 40 square units

The triangles are similar. What is the area (in square inches) of triangle A?

• 3.5 in²

• 11.76 in²

• 35 in²

• 117.6 in²

What is the area (in square units) of the shaded region? Round to the nearest hundredth.

• 12.57 square units

• 25.13 square units

• 50.27 square units

• 100.53 square units

ΔLMN has vertices L(1, 0), M(0, 3), and N(2, 2). Which graph shows the image of ΔLMN after a dilation with a scale factor of 3, followed by a translation 4 units down and 2 units left?

• Graph A

• Graph B

• Graph C

• Graph D