Areas of Triangles and Parallelograms

Areas of Triangles and Parallelograms

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Area of a Triangle = (1/2)bh

Every triangle has three bases. Every base has a DIFFERENT height associated with it!

Multiple Choice

What is the area?

• 30 m²

• 11 m²

• 25 m

• 15 m²

Multiple Choice

What is the area?

• 70 m²

• 35 m²

• 17 m

• 15 m²

Multiple Choice

What is the area?

• 90 m²

• 45 m²

• 19 m

• 15 m²

Multiple Choice

What is the area?

• 27 m²

• 54 m²

• 54 m

• 15 m²

Multiple Choice

Find the area of the triangle

• 22.5 cm²

• 45 cm²

• 15.75 cm²

• 31.5 cm²

Multiple Choice

Find the AREA of the shaded triangle.

• 50 ft²

• 40 ft²

• 64 ft²

• 80 ft²

Multiple Choice

Find the AREA of the shaded triangle.

• 3.4 m²

• 4.5 m²

• 5.6 m²

• 6.7 m²

Area of a Parallelogram = bh

Parallelograms have two possible baes, each base has a different height

Multiple Choice

Which of the following is the height if the base is $\overline{AB}$  ?

• DC

• CB

• YC

• XA

• DA

Multiple Choice

Which of the following is the height if the base is $\overline{AD}$  ?

• DC

• CB

• YC

• XA

• DA

Multiple Choice

What is the area of the parallelogram?

• 150 square units

• 120 square units

• 180 square units

• 60 square units

Multiple Choice

What is the area of the parallelogram?

• 63 cm²

• 72 cm²

• 56 cm²

Multiple Choice

What is the area?

• 28 square units

• 35 square units

• 14 square units

• 35 square units

Multiple Choice

What is the area of the parallelogram above?

• 13 cm²

• 28.5 cm²

• 45.6 cm²

• 40 cm²

Multiple Choice

Find the area of the parallelogram.

• 88

• 60

• 82.5

• 660

Multiple Choice

Find the area of the parallelogram.

• 12 units²
• 10 units²
• 13 units²
• 6 units

Multiple Choice

Find the value of h in the parallelogram.

• 7.2

• 6

• 5

• 8.45

Multiple Choice

Find the value of h if the area of the parallelogram is 96 mm².

• 12

• 9.6

• 16

• 24