IM Geometry Unit 3 Test Re-Do Questions v.1

Last updated 9 months ago
14 questions
Complete questions 1 - 8 if you are making up Question 1, 3, 4 or 7
4

Given the information marked on the diagrams below,
which pair of triangles can not always be proven congruent.

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4

Skye says that the two triangles below are
congruent. Margaret says that the two triangles are
similar. Are Skye and Margaret both correct? Explain why.

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4
4

Two triangles are similar, and the ratio of each pair
of corresponding sides is 2:1. Which statement
regarding the two triangles is not true?

4

The accompanying diagram shows two similar
triangles.


Which proportion could be used to solve for x?

4

The Rivera family bought a new tent for camping.
Their old tent had equal sides of 10 feet and a floor
width of 15 feet, as shown in the accompanying
diagram.


If the new tent is similar in shape to the old tent
and has equal sides of 16 feet, how wide is the
floor of the new tent?

Complete questions 9 - 10 if you are making up Question 2.
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4

Complete questions 11 - 12 if you are making up Question 5.
4

Open the image. Use the straight line tool under the pencil to draw your dilated figure.

Triangle ABC and point D(1,2) are graphed on the
set of axes below. Graph and label triangle A'B'C', the image of triangle ABC, after a dilation of scale factor 2 centered at point D.

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Complete questions 13 - 14 if you are making up Question 6.
4

In the diagram below, triangle GHJ is dilated by a scale
factor of 1/2 centered at point B to map onto triangle
CDF.

If m∠DFC = 40°, what is m∠HJG?

4

On the grid below, triangle AB'C' is the image of
triangle ABC.

What is the scale factor and center of dilation that
maps triangle ABC onto triangle AB'C'?