Geometry CA#7 Review / Practice Test

Trapezoid WXYZ is transformed to create trapezoid WXY'Z'. Which answer choice shows the sequence of transformations needed to create WXY'Z'?

• Dilation by a factor of 2 about the origin and a translation 1 unit down

• Dilation by a factor of 1/2 about the origin and a translation 1 unit up

• Dilation by a factor of 2 about the origin and a translation 1 unit up

• Dilation by a factor of 1/2 about the origin and a translation 1 unit down

Which proportion is justified by the image?

• 3.9/6.5 = 3.6/2.4

• 3.9/6.5 = 2.4/3.6

• 3.9/2.6 = 3.6/2.4

• 3.9/2.6 = 2.4/3.6

Consider the right triangle shown. a. Write a proportion that shows how all of these side lengths are related. Explain this relationship using the Right Triangle/Altitude Similarity Theorem.

​ Find the value for h, p and q. (round to the nearest tenth)

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Aaden looks from a height of 15 yards at the top of his apartment building. He lines up the top of a flagpole with the curb of a street 20 yards away. If the flagpole is 12 yards from the apartment building, how tall is the flagpole?

• 6 yards

• 12 yards

• 15 yards

• 20 yards

Corinne is visiting a local amusement park and wants to know the distance between the log ride and the pirate ship. Use the drawing to determine the value of x.

• 10 meters

• 15 meters

• 20 meters

• 25 meters

Determine the value of x in the diagram shown.

• x = 64

• x = 4

• x = 8

• x = 10

To the nearest inch, how far is the model satellite from the center of the Earth model?

• 7 inches

• 8 inches

• 10 inches

• 11 inches

The triangle on the left has been dilated to create the triangle on the right. Which answer choice shows the measure of all three angles?

• 25°, 110°, 55°

• 35°, 110°, 45°

• 35°, 110°, 35°

• 65°, 110°, 25°

Determine the sequence of transformations that carries the pre-image onto the image.

• Translation followed by rotation

• Rotation followed by dilation

• Reflection followed by translation

• Translation followed by dilation

In the diagram shown, ΔABC and ΔADE share ∠A, AB, and AC. Determine if ΔABC is similar to ΔADE.

• Yes, ΔABC is similar to ΔADE

• No, ΔABC is not similar to ΔADE