Perimeter of a Triangle

Find the perimeter of the triangle.

• 16.5 cm

• 13.4 cm sq

• 13.4 cm

• 15.8 cm

Find the perimeter of this triangle.

• 20 cm

• 35 cm

• 40 cm

• 12.5 cm

Find the perimeter of this triangle.

• 240 ft

• 56 ft

• 66 ft

• 120 ft

If the perimeter of a triangle is 230 feet and two of the side length are 111 feet and 54 feet, what is the length of the third side?

• 395 feet

• 65 feet

• 165 feet

• 56 feet

Jose lives next to a triangular park. He likes to take his dog for a walk around the park on the weekend. If he makes 3 trips around the park how far does he walk?

• 17 units

• 25 units

• 51 units

• 102 units

What does perimeter mean?

• the amount of space inside a shape

• the distance around the shape

• the amount of space inside a shape divided by two

• half the distance around a shape

Write the perimeter of the triangle in terms of α, b and c.

• P = abc

• P = 3abc

• P = a + b + c

• P = a + bc

What is the perimeter of the triangle in terms of α.

• P = (α² + 7) cm

• P = (2α + 7) cm

• P = (α + 7) cm

• P = (7α) cm

Write the perimeter of the triangle in terms of α.

• P = α³

• P = 2α

• P = α

• P = 3α

Calculate the perimeter of the triangle.

• 33 cm

• 13 cm

• 11 cm

• 23 cm