Formulas
What is the area formula for a rectangle?
A = l * w
Find the perimeter of the rectangle with a length of 8 cm and a width of 5 cm.
P = 26 cm
Find the area of a rectangle that has a length of four feet and a width of one and one-third feet
A = 5 1/3 ft2
1/2 + 3/4 =
1 1/4
1.5 (100) =
150
What is the area formula for a square?
A = s * s
Find the perimeter of a square that has a side length of 12 cm.
P = 48 cm
Find the area of a parallelogram with a base of one and one-half feet and a height of two and one-half feet
A = 3.75 ft2 or 3 3/4 ft2
5 - 1 1/4 =
3 3/4
1.5 / 100
0.015
How do you find the perimeter of a triangle?
Add up all the outside edges
Find the perimeter of a right triangle with one side length 6 ft, one side length 4 ft, and one side length 9 ft.
P = 19 ft
Find the area of a triangle with base = 7.2 cm and height = 8 cm.
A = 28.8 cm2
1 1/2 + 2 3/4
4 1/4
1.5 (3)
4.5
What is the formula for area of a triangle
A = B(H)/2 or 1/2(BH)
Find the perimeter of a rectangle that is has length of 10.5 inches and a width of 2.25 inches
P = 25.5 inches
Find the area of a trapezoid with a height of 100 ft bases that measure 3 ft and 7 ft
A = 500 ft2
5 1/3 - 3 2/3 =
2 2/3
0.15 (0.03)
0.0045
What is the formula for the area of a trapezoid
A = (B1 + B2)/2 x H
Find the perimeter of square with sides each measuring 1.75 inches
P= 7 in
Find the area of a triangle with a base of 10.5 inches and a height of 0.12 inches
A = 0.63 in2
6 1/4 - 3 3/4 =
2 1/2
5.1 / 1000
0.0051