Perimeter of Composite Figures (Excluding Circles)

What is the formula to find the perimeter of a rectangle?

• length + width

• 2 * length * width

• 2 * (length + width)

• length * width

• 2 * length + 2 * width

Find the perimeter of a rectangle with length 8 cm and width 5 cm.

• 26 cm

• 12 cm

• 30 cm

• 18 cm

What is the formula to find the perimeter of a triangle?

• Perimeter = Side1 * Side2 * Side3

• Perimeter = Side1 - Side2 - Side3

• Perimeter = Side1 / Side2 / Side3

• Perimeter = Side1 + Side2 + Side3

Find the perimeter of a triangle with side lengths 6 cm, 8 cm, and 10 cm.

• 22 cm

• 20 cm

• 24 cm

• 18 cm

What is the formula to find the perimeter of an irregular shape?

• Subtract the lengths of all the sides.

• Multiply the lengths of all the sides.

• Add up the lengths of all the sides

• Divide the lengths of all the sides.

Find the perimeter of a regular hexagon with side length 4 cm.

• 28 cm

• 20 cm

• 16 cm

• 24 cm

Find the perimeter of a regular octagon with side length 6 cm.

• 36 cm

• 42 cm

• 48 cm

• 54 cm

Which correctly shows the lengths of A and B and the perimeter of the composite shape?

• A = 16

  B = 18

  p = 168

• A = 6

  B = 28

  p = 148

• A = 18

  B = 16

  p = 168

• A = 12

  B = 10

  p = 156

Find the perimeter of the composite figure.

• 25 in.

• 20 in.

• 18 in.

• 25 in.²

Find the perimeter of the composite figure.

• 57 cm

• 42 cm²

• 43 cm

• 30 cm