Unit 1 Study Guide

Quadrilateral ABCD is a scaled copy of quadrilateral EFGH. Select ALL of the true statements. (HINT: there are 3)

• Segment CD is half of segment GH

• Segment BC is half of segment EF

• The measure of angle ADC is equal to the measure of angle EHG

• The length of segment AB is 3 units in length

• The angle of EFG is double the measure of angle ABC

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CCSS.7.G.A.1

Rectangle A measures 8 inches by 2 inches. Rectangle B is a scaled copy of Rectangle A. Select ALL of the measurement pairs that could be the dimensions of Rectangle B. (HINT: there are 3)

• 40 inches by 10 inches

• 16 inches by 4 inches

• 9 inches by 3 inches

• 7 inches by 1 inch

• 2 inches by 0.5 inches

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CCSS.7.G.A.1

Which of these copies is NOT a scaled copy of the original?

• Copy 1

• Copy 2

• Copy 3

• They are all scaled copies

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CCSS.8.G.A.3

Rectangle B is a scaled copy of Rectangle A using a scale factor of 5. Rectangle A is 4 inches by 6 inches. What is the side lengths of Rectangle B?

• 16 inches by 24 inches

• 20 inches by 30 inches

• 24 inches by 36 inches

• 28 inches by 42 inches

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CCSS.7.G.A.1

The scale of the map says 1 inch represents 12 miles. What is the actual number of miles that is represented by 6 inches on the scale drawing?

• 48 miles

• 60 miles

• 72 miles

• 84 miles

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CCSS.7.G.A.1

Here is a polygon. Which drawing below shows the original drawing and a scaled copy of the polygon using a scale factor of 1/3 (one-third)?

• 
• 
• 
• 

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CCSS.8.G.A.3

A scale drawing of a rectangular park is 5 inches wide and 7 inches long. The actual park is 210 yards long. What is the width of the actual park, in yards?

• 35 yards

• 150 yards

• 100 yards

• 350 yards

Tags

CCSS.7.G.A.1

The scale of a map says that 1 cm represents 10 miles. What distance on the map represents an actual distance of 90 miles?

• 11 cm

• 8 cm

• 10 cm

• 9 cm

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CCSS.7.G.A.1

A model airplane is built at a scale of 1 in to 6 ft. If the model plane is 8 inches long, how many FEET long is the actual airplane?

• 48 feet

• 42 feet

• 54 feet

• 36 feet

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CCSS.7.G.A.1

Percy makes a scale drawing using a scale of 1 cm = 20 ft, what will happen to the size of the drawing if he using the scale 1 cm = 10 ft?

• The scale drawing will get bigger.

• The scale drawing will get smaller.

• The scale drawing will stay the same.

Tags

CCSS.7.G.A.1