Proportions and Similar Figures

The pair of figures is similar. Find the missing side.

• x = 10
• x = 4
• x = 2
• x = 5

Tags

CCSS.HSG.SRT.A.2

To find the height of a very tall pine tree, you place a mirror on the ground and stand where you can see the top of the pine tree.  How tall is the tree? Hint: the figures are similar triangles.

• 8 feet
• 72 feet
• 36 feet
• 144 feet

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Find missing side

• 5
• 7
• 9
• 11

Tags

CCSS.7.G.A.2

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

• Congruent
• Vertical
• Similar
• Complementary 

Tags

CCSS.HSG.CO.B.6

CCSS.8.G.A.2

A rectangular garden is 45 ft wide and 70 ft long. On a blueprint, the width is 9 in. Identify the length on the blueprint. 

• 7 in
• 9 in
• 12 in
• 14 in

Tags

CCSS.7.G.A.1

Find the height of the tree.

• 8 ft
• 12 ft
• 13 ft
• 15 ft

Tags

CCSS.HSG.SRT.B.5

Which proportion is true?

• $\frac{6}{2.5}=\frac{x}{21}$

• $\frac{6}{2.5}=\frac{21}{x}$

• $\frac{6}{21}=\frac{x}{2.5}$

• $\frac{6}{x}=\frac{2.5}{21}$

Tags

CCSS.7.EE.B.3

CCSS.7.EE.B.4

CCSS.7.RP.A.2

CCSS.7.RP.A.3

To make plant fertilizer, you mix 12 ounces of Lime with every 10 ounces of water. If you use 80 ounces of water, how much lime do you need?

• 96 ounces
• 80 ounces
• 1.5 ounces
• 66.67 ounces

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Mr. Dulin runs 5 miles in 42 minutes.  He plans to run in a 25 mile race.  Based on his current speed, about how long will it take him to complete the race?

• 210 minutes
• 8.4 minutes
• 1050 minutes
• 200 minutes

Tags

CCSS.7.EE.B.3

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Solve for x 

• x = 16
• x = 28
• x = 1/26
• x = 26

Tags

CCSS.7.RP.A.2B