Proportionality of Triangles Geometry Review

Triangle XYZ is similar to triangle RST. 
What is the length of side RT? 

• 13 cm

• 11.5 cm

• 12 cm

• 12.5 cm

Triangle EFG is similar to triangle XYZ. Sketch and label the two triangles using the following information: EF= 12 cm, FG= 20 cm, and XY= 15 cm. 
What is the length of YZ?

• 300 cm

• 16 cm

• 9 cm

• 25 cm

Which statement is false about similar figures?

• All corresponding angles are congruent.

• All corresponding angles are proportional.

• All corresponding sides are proportional.

• All matching angles are equal. 

A tower casts a shadow 7 meters long. A vertical stick casts a shadow 0.6 meters long.  If the stick is 1.2 meters high, how high is the tower? 

• 3.5 m

• 0.10 m

• 14 m

• 1.8 m

• Choice (1)
• Choice (2)
• Choice (3)
• Choice (4)

Select the proportion that shows the Triangle Proportionality Theorem.

Solve for x

• 18

• 12

• 6.75

• 85.3

Mathematical Equivalence

ON

If two figures are similar, the corresponding sides are ______________.

• equal

• congruent

• proportional

• none of these

Solve for x:

• 33

• 22

• 28

• 16.5