Area With Decomposing Shapes

What are the correct steps to finding the area of this shape without counting squares?

• Find the area of the right triangle and add it to the area of the center rectangle.

• Find the area of both triangles and add their areas to the area of the center rectangle.

• Count the squares.

• Find the area of the rectangle and add add that to 1/2 of the total area of the rectangle.

Find the total area of the trapezoid. Assume the sides are measured in cm.

• 630 cm ^3

• 126 cm^2

• 171 cm^2

• 216 cm

Find the total area.

• 44 cm^2

• 46 cm^2

• 88 cm^2

• 24 cm^2

Tags

CCSS.3.MD.C.7D

Use the net to find the total surface area of the prism. Assume the measurements are in feet.

• 310 ft ^2

• 186 ft^2

• 160 ft^2

• 592 ft^2

Tags

CCSS.6.G.A.4

Find the area of the composite figure.

___

• 19 square cm

• 30 square cm

• 29 square cm

• 45 square cm

Tags

CCSS.3.MD.C.7D

Decompose the trapezoid into a rectangle and two right triangles. What is the area of this trapezoid?

• 45 ft²

• 72 ft²

• 57 ft²

• 40 ft²

Find the area of the composite figure.

• 19 square cm

• 30 square cm

• 29 square cm

• 45 square cm

Tags

CCSS.3.MD.C.7D

Find the area of the composite figure.

(a)   square feet

Tags

CCSS.3.MD.C.7D

What is the area of this shape?

• 63 cm2

• 37 cm2

• 73 cm2

• 36 cm2

Tags

CCSS.3.MD.C.7D

Select all the true statements about this shape (Hint: Select all means more than one)

• The area can be found by decomposing into rectangles

• The area cannot be found because there are too many measurements

• The area can be found by multiplying 60x30 and subtracting missing pieces

• The area can be found by adding all the side lengths together