Parallelograms
Triangles
Trapezoids and Composite Shapes
Surface Area
100

Find the area of the parallelograms below:

A: 15 square units

B: 12 square units

100

What is perpendicular?

Two lines that meet at a 90 degree angle

100

3000 ft2

100

What is parallel?

Straight lines that always stay the same distance from each other and never meet

200

Define a parallelogram

A type of quadrilateral with two pairs of parallel sides. Opposite sides are the same length.

200

Find the area of the triangle

14 cm2

200

Find the area of the composite shape

68 m2

200

What is surface area?

The sum of all of the areas of the sides of a three-dimensional shape

300

60 ft2

300

Find the area of the triangle 

10 square units

300

Find the area of this composite shape:

315 ft2

300

Find the surface area of the cube

96 cm2

400

Find the area of the parallelogram

175 cm2

400

The area of the triangle is 35 cm2. 

What is the triangle's height?

7 cm

400

Find the area of this compound shape

18 square units

400

Find the surface area of the prism

108 in2

500

Oscar is tiling his bathroom floor. The design has large parallelogram shaped tiles. The base of each tile is 18 inches and the height of each tile is 5 inches. If it takes 30 tiles to cover the floor, what is the area of the entire floor in square inches?

2700 in2

500

Find the area of the triangle whose height is 34 cm and the base is 1/4th the length of the height.

Solution:

Height of the triangle = 34 cm

Base of the triangle = 34 × ¼ = 8.5 cm

Area of the triangle = ½ × 34 × 8.5 = 144.5 cm2.

500

Find the area of the composite shape

932

500

Find the surface area of the prism


174 ft2