Mr. Rat Grows Up - Dilations and Similar Figures Review

Was Mr. Rat's transformation an enlargement or a reduction?

• Enlargement

• Reduction

Find the scale factor of Mr. Rat's dilation.

• k = 9

• k = 20

• k = 0.111

• k = 1/20

Which criterion can be used to justify similarity between the triangles?

• AA ~

• SAS ~

• SSS ~

• SSA ~

Which criterion can be used to justify similarity between the triangles?

• AA ~

• SAS ~

• SSS ~

• SSA ~

Which criterion can be used to justify similarity between the triangles?

• AA ~

• SAS ~

• SSS ~

• SSA ~

Set up a proportion to solve for the height of Mr. Rat in inches.

• 127.8 inches

• 135.4 inches

• 38.3 inches

• 141.0 inches

Which piece of additional information WOULD NOT be enough to prove these triangles similar?

• Angle T = Angle D

• RO/EN = 5/3

• Angle R = Angle E

Which additional piece of info would make the triangles similar by SAS?

• OD = 24 and NT = 16

• Angle O = Angle N

• OD = NT

• RO = 27 and EN = 18

Assume the lines which look parallel are.

Solve for the value of x.

• 12.7

• 61.6

• 13.1

• 10

Assume the lines which look parallel are.

Solve for the value of x.

• 18.7

• 15.4

• 15.8

• 20.3