Finding Perimeter of Unknown

Find the perimeter of Square A.

(Include unit in your final answer)

Find the Perimeter of Square.

(Include unit in your final answer)

Find the Perimeter of Rectangle.

(Include unit in your final answer)

When you find the distance around the edges you are finding the ...

• multiples

• area

• factors

• perimeter

Find the unknown side length if the perimeter is 89 inches. Write out your formula to help.

• 15 in.

• 17 in.

• 20 in.

• 13 in.

When finding perimeter you will

• Multiply the numbers

• Add the numbers

If you are finding the PERIMETER what would you do?

• count inside the squares

• count outside the squares on the lines

What is the perimeter?

• 40 cm

• 26 cm

• 16cm

What is the perimeter if each length is the SAME and EQUAL! Use the formula to help!

• 7 units

• 35 units

• 42 units

• 49 units

Mrs.Thompson uses a ruler to draw a square. The perimeter of the square is 20 centimeters. What side length does the square have (what does "s" equal)?

• s=20

• s=80

• s=4

• s=5