Areas of Similar Figures

Two hexagons are similar with a scale factor of 4/5. If the area of the larger hexagon is 20, what is the area of the smaller hexagon?

• 10.24

• 12.8

• 16

• 25

What is the area ratio of the following rectangles?

• 10/7

• 100/49

• 100/36

• 4/36

The area of triangle A is 54 and triangle B is 150. What is the scale factor of A to B? 

• 9:25

• 27:75

• 3:5

• 25:9

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

• 64/25

• 25/64

• 5/8

• 8/5

Two hexagons are similar with a scale factor of 4/5. If the area of the larger hexagon is 20, what is the area of the smaller hexagon? (Hint: draw a picture of the two hexagons.)

• 10.24

• 12.8

• 16

• 25

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

• 11/6

• 6/11

• 121/36

• 36/121

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

• 9/14

• 14/9

• 196/81

• 81/196

Find the area of the smaller figure.

Enter a number only

The figures below are similar. The labeled sides are corresponding.

What is the area of the larger square?

• 25 m²

• 1.25 m²

• 20 m²

• 16 m²

The figures shown are similar. The areas of each figure is given.

What is the ratio of the side length of the smaller triangle to the larger triangle?

• 4:49

• 2:7

• 1:7

• 1:25