Area and Perimeter

Formulas

100

How do you find the perimeter of a triangle?

Add up all the outside edges

200

What is the area formula for a rectangle?

A = l * w

300

What does the W stand for in the area formula?

Width

400

What does the L stand for in the area formula?

Length

500

What is the area for a triangle?

A = (l * w) /2

Perimeter

100

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

P = 26cm

200

Find the perimeter of a square that has a side length of 12cm.

P = 48 cm

300

Find the perimtere of a right triangle with one side length 6ft, one side length 4ft, and one side length 9ft.

P = 19ft

400

Find the perimeter of a triangle if it has a base of 6m, a height of 8 m, and two side lengths that equal 3m.

P = 12m

500

Find the perimeter of a pentagon with side lengths that equal 8 in.

P= 40 in

Area

100

Find the area of a rectangle that has a length of 6cm and a width of 5 cm.

A = 30 cm2

200

Find the area of a square with side length 7 in.

A = 49 in2

300

Find the area of a right triangle with base = 7 cm and height = 8cm.

A = 28 in2

400

Find the area of a isosceles triangle with base = 9cm, side one = 7cm, side two = 3cm, and height = 2cm.

A = 9cm2

500

Find the area of a triangle with base = 20 in and height = 30 in.

A = 600 in2