Review Area

What is the area of figure D

Jada said that she found the area of figure A by cutting it into 3 rectangles, finding their separate areas, and then adding those areas. Which strategy best describes what Jada did?

• decomposing and rearranging

• decomposing

• enclosing and subtracting

• counting grid squares

Diego said he can find the area of figure B by first multiplying 6x6. What should Diego's next step be?

• adding the area of 1 and 2

• subtracting the area of 1 and 2

• Nothing. His area is 36 square units

• decomposing and rearranging

Mai found the area of figure D by cutting the shape in half, moving the smaller triangles together, and making a new rectangle. Which strategy best describes what Mai did?

• decomposing

• enclosing and subtracting

• decomposing and rearranging

What is the area of figure C?

How do you find the AREA of a TRIANGLE?

• Length x Width divided by 2

• Length x Width

• 1/3 (Length x Width)

• Base x Height

Find the surface area of this figure.

• 148 cm²

• 120 cm²

What is the total surface area of the triangular prism shown?

• 414 in²

• 468 in²

• 576 in²

• 700 in²

What is this formula?

• suface area of a cone

• surface area of a sphere

• volume of a cone

• volume of a sphere

Find the surface area. Use 3.14.

• 125.6 in²

• 314 in²

• 521.24 in²

• 1,256 in²