Perimeter of Triangles and Rectangles

Using the formula for the perimeter of a triangle, solve for the perimeter of the triangle.

• 17 cm

• 18 cm

• 60 cm

• 30 cm

Tags

CCSS.3.MD.D.8

Find the perimeter of the rectangle

• 24 m

• 10 m

• 20 m

• 12 m

Tags

CCSS.4.MD.A.3

Perimeter is the total distance around a 2-dimensional shape

• True

• False

You want to build a fence to go around your entire rectangular 7 foot by 6 foot garden. How much fencing will you need?

• 42 ft

• 26 ft

• 13 ft

• 20 ft

Tags

CCSS.4.MD.A.2

Find the perimeter of the triangle

• 32 in

• 40 in

• 30 in

• 28 in

Tags

CCSS.3.MD.D.8

How do you find the perimeter of a rectangle?

• Length × width

• Length + width

• Length + length + width + width

• Length × width × ½

Tags

CCSS.4.MD.A.3

Find the perimeter of this shape

• 81 km

• 85 km

• 91 km

• 95 km

Tags

CCSS.3.MD.D.8

The distance around an object is called

• area

• perimeter

• length

• radius

• diameter

What is the perimeter of the rectangle?

• 28 sq feet

• 28 feet

• 48 feet

• 48 sq feet

Tags

CCSS.4.MD.A.3