P = L + L + W + W OR,
P = 2L + 2W OR,
P = 2(L + W)
100
A rectangle has a length of 8 inches and a width of 5 inches. What is the perimeter of this rectangle?
p = 2L + 2W
p = 2(8) + 2(5)
p = 16 + 10
p= 26 inches
100
A rectangle has a length of 8 inches and a width of 5 inches. What is the area of this rectangle?
A = lw
A = (8)(5)
A = 40 inches squared
100
A parallelogram has a base of 6 feet and a height of 4 feet. What is the area of this parallelogram?
A = Base x Height
A = (6)(4)
A = 24 feet squared
100
A trapezoid has a base of 9 meters and a base of 6 meters. The height of the trapezoid is 6 meters. What is the area of the trapezoid?
A = 1/2(base 1 + base 2)(height)
A = 1/2(9 + 6)(6)
A = 1/2(15)(6)
A = 1/2(90)
A = 45 meters squared
200
What is the area formula for a rectangle?
Area = length x width OR,
A = lw
200
A rectangle has a length of 18 cm and a width of 13 cm. What is the perimeter of this rectangle?
p = 2L + 2W
p = 2(18) + 2(13)
p = 36 + 26
p = 62 cm
200
A rectangle has a length of 18 cm and a width of 13 cm. What is the area of this rectangle?
A = lw
A = (18)(13)
A = 234 cm
200
A parallelogram has a base of 14 feet and a height of 7 feet. What is the area of this parallelogram?
A = bh
A = (14)(7)
A = 98 feet squared
200
A trapezoid has a base of 8 feet and a base of 12 feet. The height of the trapezoid is 4 feet. What is the area of the trapezoid?
A = 1/2(base 1 + base 2)(height)
A = 1/2(8 + 12)(4)
A = 1/2(20)(4)
A = 1/2(80)
A = 40 feet squared
300
What is the area formula for a parallelogram?
Area = base x height
A = bh
300
A rectangle has a length of 8.6 m and a width of 5 m. What is the perimeter of this rectangle?
p = 2L + 2W
p = 2(8.6) +2(5)
p = 17.2 + 10
p = 27.2 m
300
A rectangle has a length of 8.6 m and a width of 5 m. What is the area of this rectangle?
A = lw
A = (8.6)(5)
A = 43 meters squared
300
A parallelogram has a base of 7.8 feet and a height of 3 feet. What is the area of this parallelogram?
A = bh
A = (7.8)(3)
A = 23.4 feet squared
300
A trapezoid has a base of 3.5 inches and a base of 9 inches. The height of the trapezoid is 7 inches. What is the area of the trapezoid?
A = 1/2(base 1 + base 2)(height)
A = 1/2(3.5 + 9)(7)
A = 1/2(12.5)(7)
A = 1/2(87.5)
A = 43.75 inches squared
400
What is the area formula for a trapezoid?
Area = 1/2(base 1 + base 2)(height)
400
A rectangle has a length of 24.8 inches and a width of 12.78 inches. What is the perimeter of this rectangle?
p = 2L + 2W
p = 2(24.8) + 2(12.78)
p = 49.6 + 25.56
p = 75.16 inches
400
A rectangle has a length of 24.8 inches and a width of 12.78 inches. What is the area of this rectangle?
A = lw
A = (24.8)(12.78)
A = 316.944
400
A parallelogram has a base of 13.8 yards and a height of 4.2 yards. What is the area of this parallelogram?
A = bh
A = (13.8)(4.2)
A = 57.96 square yards
400
A trapezoid has a base of 15.2 inches and a base of 11 feet. The height of the trapezoid is 6.8 feet. What is the area of the trapezoid?
A = 1/2(base 1 + base 2)(height)
A = 1/2(15.2 + 11)(6.8)
A = 1/2(62.2)(6.8)
A = 1/2(422.96)
A = 211.48 inches squared
500
What is the following formula used for?
1/2(base 1 + base 2)(height)
The formula, 1/2(base 1 + base 2)(height) is used to calculate the area of a Trapezoid.
500
A rectangle has an area of 24 square cm and a length of 8 cm. What is the perimeter of this rectangle?
**Hint: calculate the width first, and then calculate the perimeter.
A = LW P = 2L + 2W
24 = 8W P = 2(8) + 2(3)
3 = W P = 16 + 6
p = 22 cm
500
A rectangle has an area of 54 inches squared and a width of 6 inches. What is the length of the rectangle?
A = LW
54 = L(6) solve for the variable
9 inches = L
500
A parallelogram has an area of 45 square inches and a base of 5 inches. What is the area of this parallelogram?
A = bh
45 = (5)h
9 inches = h
500
The length of a trapezoids leg's are both 6 cm. One of it's bases is 12 cm and the other base is 19 cm. The height of the trapezoid is 8 cm. What is the area of the trapezoid?
A = 1/2(base 1 + base 2)(height)
A = 1/2(12 + 19)(8)
A = 1/2(31)(8)
A = 1/2(248)
A = 124 cm squared