Mod 7 Geometry Quiz

Solve the proportion: 3/5 = x/15

• 5

• 12

• 7

• 9

Solve the proportion: (y+2)/3=2/(y-3)

• -3, 2

• 1, 4

• -3, 4

• 4

Are these figures similar? If so, what is the scale factor from ABC to DEF?

• Yes, 1

• Yes, 1/2

• No

• Yes, 2

Are these figures similar? If so, what is the scale factor from ABC to DEF?

• Yes, -2

• No

• Yes, 1.5

• Yes, 2

If the scale factor of a dilation is 2, and the original figure has a side length of 5, what is the length of the corresponding side in the dilated figure?

• 7

• 15

• 3

• 10

If the scale factor of a dilation is 3, and the original figure has an area of 36 square units, what is the area of the dilated figure?

• 324

• 216

• 72

• 108

What are the properties of similar triangles?

• Corresponding angles are equal and corresponding sides are in proportion

• Opposite angles are equal and opposite sides are in proportion

• Corresponding angles are not equal and corresponding sides are in proportion

• Corresponding angles are equal and corresponding sides are not in proportion

What are the conditions for proving two triangles are similar?

• AA

• SAS

• SSS

• SSA

Which justification would prove that two triangles are similar if their corresponding angles are congruent?

• Side-Angle-Side (SAS) similarity theorem

• Side-Side (SS) similarity theorem

• Angle-Side-Angle (ASA) similarity theorem

• Angle-Angle (AA) similarity theorem

Which justification would prove that two triangles are similar if their corresponding sides are proportional?

• Side-Side-Side (SSS) similarity criterion

• Angle-Angle-Angle (AAA) similarity criterion

• Hypotenuse-Leg (HL) similarity criterion

• Side-Angle-Side (SAS) similarity criterion