Perimeter of Rectangles and Triangles

What is the perimeter of the rectangle?

• 28 in

• 46 in

• 56 in

• 98 in

What is the perimeter of the triangle?

• 51 cm

• 59 cm

• 45 cm

• 48 cm

How do you find the PERIMETER of a rectangle?

• Multiply the sides together

• Add up the lengths of all the sides

• Add a bunch of random letters together

• Multiply the sides together, then remove two of them

Solve for the perimeter of the rectangle.

• 80.64 cm

• 1.96875 cm

• 19 cm

• 38 cm

The perimeter of the triangle shown is 17x units. The dimensions of the triangle are given in units. Which equation can be used to find the value of x?​ (a)   What is the perimeter of the triangle?​ (b)   units.

• 51

• 3

• 21

• 82

• 5

The perimeter of the isosceles triangle is 365 millimeters. What is the length of the missing side?

c

163

41 mm

38 mm

202 mm

39 mm

The perimeter of the triangle shown is 17x units. The dimensions of the triangle are given in units. Which equation can be used to find the value of x?​ What is the perimeter of the triangle?​ units.

• 51

• 3

• 21

• 82

• 5

The perimeter of the triangle shown is 17x units. The dimensions of the triangle are given in units. Which equation can be used to find the value of x?​ (a)   What is the perimeter of the triangle?​ (b)   units.

• 51

• 3

• 21

• 82

• 5

The perimeter of the isosceles triangle is 365 millimeters. What is the length of the missing side?

c

38 mm

41 mm

39 mm

202 mm

163

Find the perimeter of the following rectangle.

• 24 cm

• 11 cm

• 22 cm

• 10 cm