Applications of Perimeter and Area

Which of the following equations can be used to find the area of a triangle?

• A = πr²

• A = bh

• A = 1/2 bh

• A = lw

Find the area of the circle using: A = πr²

• 153.9mi²

• 615.8mi²

• 28mi²

• 44mi²

Find the Area of the given figure

(Hint: A = 1/2 bh

&

A = bh)

• 20cm²

• 18cm²

• 35cm²

• 38cm²

The perimeter of a rectangular folder is 40 inches. The folder is 8 inches wide. How long is the length of the rectangle?

• 96 in

• 12 in

• 24 in

The area of a bookmark is 16 square cm. The bookmark is 2 cm wide. How tall is it?

• 32

• 36

• 8

Each side of a square sheet of metal is 8 m long. What is the perimeter of the sheet metal?

• 32 square meters

• 64 m

• 32 meters

• 16 square meters

Each side of a painting is 6 feet long. What is the painting's area?

• 24 square feet

• 36 square feet

• 12 ft

• 36 ft

John's school square playground is 19 meters long. What is the perimeter of the playground?

• 76 meters

• 76 square meters

• 361 meters

• 38 meters

A rectangular restaurant kitchen is 10 meters long and 8 meters wide. What is its area?

• 80 m

• 36 m

• 80 square m

• 36 square m