Area, Perimeter and Volume of Triangles

Jill is going to make some musical triangles for class out of metal tubing. Given the following example, how much tubing will she need for each triangle?

• 36 in.

• 96 in.

• 48 in.

• 80 in.

Find the area of this triangle.

• 12 in²

• 22 in²

• 18 in²

• 24 in²

Find the perimeter of this triangle.

• 20 cm

• 35 cm

• 40 cm

• 12.5 cm

Find the area of this triangle.

• 20 cm²

• 35 cm²

• 40 cm²

• 17.5 cm²

Find the perimeter of this triangle.

• 150 ft

• 100 ft

• 20 ft

• 35 ft

What is the area of the triangle below?

• 2 square units

• 2.5 square units

• 3 square units

• 3.5 square units

What is the AREA of the BASE?

What is the PERIMETER of the BASE?

Find the area:

• 40 yd

• 40 yd²

• 80 yd²

• 18 yd²

Area of triangle?

• 17 units²

• 20 units²

• 10 units²

• 16 units²