Similarity and Proportion Lesson

If two polygons are similar, then the corresponding side lengths are ___________.

• congruent
• similar
• equal
• proportional

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

If two polygons are similar, then the corresponding angles are ___________.

• congruent
• similar
• equal
• proportional

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

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

• x = 12
• x = 3
• x = 40
• x = 4

Tags

CCSS.HSG.SRT.A.2

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

• x = 20
• x = 12
• x = 5
• x = 4

Tags

CCSS.HSG.SRT.A.2

Gwen scans a photo that is 4 in. wide by 6 in. tall into her computer. If she scales the height down to 3 in., how wide should the similar photo be?

• 3 in
• 2 in.
• 4 in
• 1 in

Tags

CCSS.7.G.A.1

A picture of a school’s mascot is 18 in. wide and 24 in. long. It is enlarged proportionally to banner size. If the width is enlarged to 54 in., what is the length of the banner? 

• 72 in
• 60 in
• 62 in
• 80 in

Tags

CCSS.7.G.A.1

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.HSG.SRT.B.5

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

• x = 1
• x = 3
• x = 9
• x = 5

Tags

CCSS.HSG.SRT.A.2

Solve the proportion.

• k=5
• k=3.3333333
• k=60
• k=90

Tags

CCSS.7.RP.A.2B

A __________ is a comparison of two quantities.

• transformation
• scale
• ratio
• graph

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2