Estimating Area of Figures

Given polygons A and B are similar with corresponding dimensions shown, what is the area of polygon B?

• 6.67 m²

• 3.33 m²

• 10 m²

• 22.5 m²

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

• 9/14

• 14/9

• 196/81

• 81/196

True or False: If two figures are similar, the ratio of their corresponding sides squared is equivalent to the ratio of their areas.

• True

• False

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

• 9/14

• 14/9

• 196/81

• 81/196

What is the area of the figure?

• 126 ft²

• 39 ft²

• 156 ft²

• 80 ft²

Tags

CCSS.3.MD.C.7D

What is the area of the composite figure? (You Must Show Your Work On Your Paper For This Problem)

• 40 cm²

• 65.5 cm²

• 52.5 cm²

• 25 cm²

Marco's painting has an area of 320 square inches.  If the width of the painting is 16 inches, what is the length of the painting? 
*** Length= Area/Width

• 24 inches

• 22 inches

• 20 inches

• 26 inches 

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Suppose the dimensions of a pentagon with an area of 12 are tripled Find the area of the new pentagon in square inches.

• 108

• 36

• 72

• 144

Tags

CCSS.7.G.A.1

Select the best estimate of the area of the figure?

The pair of figures to the right are similar. The area of one figure is given. Find the area of the other figure to the nearest whole number.

The area of the smaller triangle is (a)  

(Round to the nearest whole number as​ needed.)