Lesson 12 Module 7 Problem Set

The perimeter of Alan’s rectangular swimming pool is _____.

Lila measures each side of the shape below. What is the perimeter of the shape?

• 10 cm

• 15 cm

• 20 cm

• 25 cm

Lila says the shape is a pentagon. Is she correct?

• Yes, because the shape has five sides.

• No, because the shape has four sides.

• Yes, because the shape has six sides.

• No, because the shape has three sides.

Find the perimeter of the following shape: a. Rectangle with sides 8 in, 3 in, 8 in, 3 in.

Find the perimeter of the following shape

Find the perimeter of the following shape: c. Triangle with sides 6 cm, 11 cm, 9 cm.

Find the perimeter of the following shape: d. Trapezoid with sides 7 m, 5 m, 9 m, 15 m.

Find the perimeter of the following shape

Which shape has the greater perimeter? Explain your answer.

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