Scale Drawings of Geometric Figures

What is the scale factor if the triangle on the left is the original?

• 2

• 3/2

• 2/3

• 1/2

The two rectangles are scale drawings. What is the measurement of x?

• 21

• 1.25

• 20

• 4

What is the scale factor from ΔDEF to ΔABC?

• 1/2

• 7/3

• 2

• 10/3

• 1.5

• 6

• 8

• 10.7

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

• x = 9

• x = 28

• x = 7

• x = 63

What is the new perimeter if the rectangle is enlarged with a scale factor of 3?

• 40 cm

• 60 cm

• 80 cm

• 120 cm

Find the perimeter of the large triangle.

• 24

• 36

• 12

• 54

Find y.

• 144

• 18

• 72

• 12

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

• x = 9

• x = 28

• x = 7

• x = 63

Find the height of the tree.

• 8 ft

• 12 ft

• 13 ft

• 15 ft