Area of Similar Figures

Area of Similar Figures

Multiple Choice

What is the scale factor?

• 4
• .25
• 5
• 6

Multiple Choice

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

• 21
• 1.25
• 20
• 4

Multiple Choice

Find the ratio (red to blue) of the area.

• 11/6
• 6/11
• 121/36
• 36/121

Multiple Choice

Find the ratio (red to blue) of the perimeter.

• 11/6
• 6/11
• 121/36
• 36/121

Multiple Choice

Find the perimeter of the large triangle.

• 24
• 36
• 12
• 54

Multiple Choice

If the ratio of 2 round dinner plates is 2 : 5, what is the ratio of their areas?

• 2 : 5

• 1 : 5

• 4 : 10

• 4 : 25

Multiple Choice

The scale factor of two similar figures is 4 : 5. What is the ratio of their perimeters?

• 4 : 5

• 16 : 25

• 64 : 125

• 8 : 10