8.3 Transformations Questions

These two triangles are similar. Which one of the following proportional relationships is true? (Note: The triangles are not drawn to scale.)

• AB/BC = XZ/YZ

• AC/YZ = AB/XY

• AC/AB = XZ/XY

• AB/YZ = BC/XZ

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8.3A

These two triangles are similar. What is the length of side FG of the bigger triangle? (Note: The triangles are not drawn to scale.)

• 15 inches

• 20 inches

• 18 inches

• 12 inches

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8.3A

Triangle MNO is similar to triangle CDE. Which one of the following proportional relationships is true?

• MO/DE = NO/CD

• MN/DE = MO/CD

• MN/CD = MO/DE

• MN/CD = NO/DE

Triangle EFG is similar to triangle PQR. What is the measure of angle PRQ of the bigger triangle? (Note: The triangles are not drawn to scale.)

• 72°

• 76°

• 84°

• 88°

The lengths of the sides of triangle ABC are shown on the right. Which one of the following triangles is similar to triangle ABC? (Note: The triangles are not drawn to scale.)

• Triangle with sides 8 in, 15 in, and 7 in.

• Triangle with sides 10 in, 15 in, and 8 in.

• Triangle with sides 9 in, 6 in, and 7 in.

• Triangle with sides 9 in, 4 in, and 6 in.

These two triangles are similar. Which one of the following proportional relationships is NOT true? (Note: The triangles are not drawn to scale.)

• ST/PQ = TU/QR

• ST/SU = PQ/PR

• ST/TU = PQ/QR

• ST/TU = QR/PQ

These two triangles are similar. What is the length of side TU of the smaller triangle? (Note: The triangles are not drawn to scale.)

• 3 inches

• 8 inches

• 6 inches

• 9 inches

Triangle ABC is similar to triangle MNO. Which one of the following proportional relationships is NOT true?

• AB/BC = MN/NO

• AB/MN = BC/NO

• MN/NO = AB/AC

• MN/MO = AB/AC

Triangle ABC is similar to triangle RST. What is the measure of angle ACB of the smaller triangle? (Note: The triangles are not drawn to scale.)

• 124°

• 108°

• 115°

• 119°

These two quadrilaterals are similar. Which one of the following proportional relationships is true? (Note: The quadrilaterals are not drawn to scale.)

• AB/MN = CD/NO

• BC/AD = MN/MP

• CD/AB = OP/MN

• AD/CD = MP/NO