Formulas
What is the perimeter formula for a rectangle?
Possible answers include
p = L + L +W +W (add up all the sides)
P = 2L + 2W
P = 2(L + W)
A rectangle has a length of 8 cm and a width of 5 cm. What is the perimeter of this rectangle?
p= 26cm or 26 cm
A rectangle has a length of 8m and a width of 5m. What is the area of this rectangle?
40m2
A parallelogram has a base of 6 units and a height of 4 units. What is the area of this parallelogram?
24 units2
If square has a perimeter of 12cm, what would the dimensions be?
3 each side
What is the area formula for a rectangle?
Area = length x width OR A = lw
A rectangle has a length of 18 cm and a width of 13 cm. What is the perimeter of this rectangle?
p= 62 cm or
62cm
A rectangle has a length of 18 cm and a width of 13 cm. What is the area of this rectangle?
234 cm2
A parallelogram has a base of 14cm and a height of 7cm. What is the area of this parallelogram?
98 cm2
Does a parallelogram with a length of 5cm and a height of 3cm have the same perimeter as a rectangle with a length of 5cm and a height of 3 cm
no
What is the area formula for a parallelogram?
Area = base x height or A = bh
A rectangle has a length of 8.6 m and a width of 5 m. What is the perimeter of this rectangle?
p = 27.2 m or
27.2m
A rectangle has a length of 8.6 m and a width of 5 m. What is the area of this rectangle?
43 m2
A parallelogram has a base of 7.8m and a height of 3m. What is the area of this parallelogram?
23.4m2
How many pairs of parallel sides does a parallelogram have?
2
Is the formula 2l+2w for the area of a rectangle or the perimeter of a rectangle
perimeter of a rectangle
A rectangle has a length of 24.8 mm and a width of 12.78 mm. What is the perimeter of this rectangle?
75.16 mm
A rectangle has a length of 24.8cm and a width of 12.78cm. What is the area of this rectangle?
316.944cm2
A parallelogram has a base of 13.8dm and a height of 4.2dm. What is the area of this parallelogram?
57.96dm2
Does a parallelogram with a length of 10cm and a height of 5cm have the same area of a rectangle with a length of 10cm and a height of 5cm
Michigan State
Go Green!
What is the formula for the area of a parallelogram?
A = lw or area = length times width
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.
22 cm
A rectangle has an area of 54cm squared and a width of 6cm. What is the length of the rectangle?
9cm
A parallelogram has an area of 110 square cm and a base of 5cm. What is the height of this parallelogram?
22cm
If a parallelogram has an area of 40cm2, what could its dimensions be?
40 x 1, 20 x 2, 10 x 4, 8 x 5