Geom. Unit 7 Similarity Test

Complete the statement:

If two polygons are similar, then their corresponding __(1)__ are congruent and their corresponding __(2)__ are proportional.

• 1)  Angles ; 2)  Sides

• 1)  Sides ; 2) Areas

• 1)  Angles ; 2)  Areas

• 1)  Sides ; 2)  Angles

Tell whether the two figures are similar. Explain your reasoning.

• Yes, similar because they are the same shape and side lengths are proportional.
• No, not similar because they are the same shape, but side lengths are not proportional.
• Yes, same shape
• No, different sizes

• x = 0.55

• x = 8.8

• x = 22

• x = 88

The photo shown is being enlarged to form a 24 by 30-inch print. What scale factor will be used to enlarge it?

Choose the triangle below that is similar to the red triangle.

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The given triangles are similar. Solve for X.

• 2 ft
• 3 ft
• 4 ft
• 6 ft

The two polygons below are similar. Find the length of the missing side of the polygon below.

• X = 10.5

• X = 7.35

• X = 15

• X = 12