Area and Perimeter of Composite Shapes

Calculate the perimeter of this compound shape.

• 12 cm

• 20 cm

• 16 cm

• 10 cm

Answer explanation

What is the area of this shape?

• 36 m²

• 65 m²

• 80 m²

• 50 m²

Answer explanation

Tags

CCSS.3.MD.C.7D

What is the perimeter of this shape?

• 39 m

• 47 m

• 44 m

• 52 m

Answer explanation

Tags

CCSS.3.MD.D.8

To find the perimeter of this shape, first you need to find the length of the side labeled with the question mark. What is the length of that side?

• 6 cm

• 4 cm

• 7 cm

• 8 cm

Answer explanation

Tags

CCSS.3.MD.D.8

What is the perimeter of this shape?

• 44 cm

• 34 cm

• 38 cm

• 87 cm

Answer explanation

Tags

CCSS.3.MD.D.8

Show how you could cut this shape into 2 rectangles that you could use to find the area of this shape.

Answer explanation

Tags

CCSS.3.MD.C.7D

For the purpose of this question, we are going to cut the shape as shown. What is the area of rectangle A?

• 11 m²

• 30 m²

• 22 m²

• 300 m²

Answer explanation

Tags

CCSS.6.G.A.1

For the purpose of this question, we are going to cut the shape as shown. What is the area of rectangle B?

• 144 m²

• 17 m²

• 36 m²

• 16 m²

Answer explanation

Tags

CCSS.3.MD.C.7D

What is the total area of this compound shape?

• 200 m²

• 50 m²

• 66 m²

• 90 m²

Answer explanation

Tags

CCSS.3.MD.C.7D

Show how you could cut this shape into 2 rectangles that you could use to find the area of this shape.

Answer explanation

Here is the only way to cut this into TWO rectangles. You could also cut it into three or four rectangles but then you would have to find more areas, so two rectangles is the most efficient way.

Tags

CCSS.3.MD.C.7D