Area and Perimeter Decimals

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

Find the perimeter of a square with side length 4.2 units.

• 21 units

• 3.5 units

• 16.8 units

• 8.4 units

Calculate the perimeter of a rectangle with length 4.5 units and width 3.2 units.

• 15.4 units

• 7.7 units

• 14.8 units

• 12.6 units

Calculate the area of a rectangle with length 3.5 units and width 2.8 units.

• 9.8 square units

• 12.6 square units

• 1.4 square units

• 6.3 square units

Find the perimeter.

Don't use units in your answer at this time.

• 42.16

• 13.46

• 26.92

• 11.62

Find the perimeter.

• 19.46

• 16.66

• 68.992

• 33.32

Find the perimeter.

• 25.76

• 12.88

• 38.718

• 11.18

Joseph is planning to paint the top of a small rectangular table using tubes of craft paint. The dimensions of the table top are 5.3 feet by 4.75 feet. What is the area of each table top?

• 2.518

• 0.2518

• 25.18

• 251.8

Find the perimeter.

Don't use units in your answer at this time.

• 16.835

• 16.62

• 8.31

• 10.32

Find the area.

• 19.46

• 16.66

• 68.992

• 33.32