Similar Figures / Shadow Problems

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

• Congruent
• Vertical
• Similar
• Complementary 

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Read the problem and find the missing measurement.  Use labels or pictures to help set up the problem.
A home's height is 40 ft. and casts a shadow that is 12 ft..  A car in the driveway is 10 ft. high.  How long is the car's shadow?

• x = 3 ft.
• x = 12 ft.
• x = 120 ft.
• none of the above

Tags

CCSS.HSG.SRT.B.4

A tree is 12 feet tall and casts a shadow 9 feet long. A building nearby casts a shadow that measures 24 feet. How tall is the building? (Draw a picture, set up a proportion)

• 24 feet
• 21 feet
• 27 feet
• 32 feet

Tags

CCSS.7.RP.A.3

Triangle ABC and XYZ are similar. What is the scale factor or multiplier used to make the the smaller one larger?

• 2

• ½

• ⅖

• 5/2

Tags

CCSS.7.G.A.1

CCSS.7.RP.A.2

What is the corresponding side to line segment AC?

• Line Segment CB
• Line Segment AB
• Line Segment XZ
• Line Segment ZY

Tags

CCSS.HSG.SRT.A.2

Find the perimeter of the large triangle.

• 24
• 36
• 12
• 54

Tags

CCSS.7.G.B.6

Solve for X

• X = 77
• X = 84
• X = 66
• X = 76

Tags

CCSS.HSG.SRT.A.2

On a map, the distance between two towns in 2.6 cm. The scale of the map is 1 cm:50 km. What is the actual distance between the two towns?

• 100 km
• 130 km
• 70 km
• 150 km

Tags

CCSS.7.G.A.1

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

Are the following similar? Why or why not?

• Yes
• No, the corresponding angles are not equal.
• No, the ratios of the corresponding sides are not equal.

Tags

CCSS.8.G.A.4

CCSS.8.G.A.5