Decomposing Figures to Find Area

The formula for finding the area of parllelogram

• bh

• bh + 2

• bh/2

• h(b1 +b2)/2

The formula for finding the area of a triangle

• lw

• bh

• h(b1 +b2)/2

• bh/2

The sum of the areas of all faces of a three-dimensional figure

• Surface Area

• Formula

• Equation

• Area

Compare these two cubes. Which of the following is true?

• A's surface area is less than B's surface area.

• A's surface area is equal to B's surface area.

• A's surface area is greater than B's surface area.

• There is not enough information.

What is the surface area of this polyhedron?

• 24 cm²

• 48 cm²

• 34 cm²

• 56 cm²

• 40 yd³

• 40 yd²

• 80 yd²

• 18 yd²

Find the area.

• 19.5 m²

• 78 m²

• 39 m²

• 27 m²

Find the base, height and area of this triangle.

• b=6 h=10 A=60

• b=6 h=8 A=48

• b=6 h=10 A=30

• b=6 h=8 A=24

Which region shows an area that has been incorrectly calculated?

• A

• B

• C

• D

What is the surface area of this rectangular prism?

• 52 units²

• 26 units²

• 34 units²

• 262 units²