Q3 Geometry Cumulative Review

Two objects that are the same shape but not the same size are _______.

• Congruent
• Vertical
• Similar
• Complementary 

What is the scale factor from triangle ABC to triangle DEF?

• 1/2
• 7/3
• 2/1
• 10/3

Solve:

• -4

• 10

• 3

• -4

A recipe called for the ratio of sugar to flour to be 10:3. If you used 50 ounces of sugar, how many ounces of flour would you use?

• 21

• 15

• 13

• 120

A telephone booth that is 8ft tall casts a shadow that is 4ft long. Find the height of a lawn gnome that casts a 2ft shadow.

• 2 ft

• 4 ft

• 6 ft

• 8 ft

The triangles are similar. Solve for x.

• 4

• 5

• 6

• 7

Solve for x.

• 8
• 6
• 5
• -8

Solve for x and y.

• x=11.43, y=42.78

• x=11.43, y=192.5

• x=14, y=48

• x=10, y=11.43

Determine whether the triangles are similar.

• SSS~
• AA~
• SAS~
• not similar

The measures of the angles of a triangle are in the extended ratio 4:3:2. What is the measure of the largest angle?

• 20

• 40

• 60

• 80