Perimeter
What is the formula for the perimeter of a rectangle?
Perimeter = 2(length + width) or add all the sides
What is the formula for the area of a rectangle?
Area = length x width
If the area of a square is 49 cm², what is the length of one side?
7 cm
Use the perimeter to help find the area of a square.
The perimeter is 32cm.
Area = 64cm2
A fence is placed around a rectangular garden that is 12 m long and 8 m wide. What is the total perimeter of the fence?
40 m
Find the perimeter of a rectangle with a length of 8cm and a width of 5cm.
26 cm²
Find the area of a rectangle with a length of 9cm and a width of 4cm.
36 cm2
A triangles base is 8cm. The height is 13cm.
What is the area?
52 cm2
You have a rectangle with an area of 48 cm² and a width of 6 cm. How do you find its perimeter?
Find the length!
(48 ÷ 6)
A picture flame has the length of 20 cm and width of 33 cm. What shape is this picture frame? What is the area?
Rectangle
660 cm2
A square has a side length of 7cm. What is its perimeter?
49 cm
What is the formula for the area of a parallelogram?
Area = base x height
A parallelogram has the base of 19cm. The height is 12cm. What is the area of the parallelogram?
228 cm2
Find the missing length of the rectangle with the perimeter being 27 cm2.
Length ?
Width 3cm
27 cm2
A triangular plot of land has a base of 50 m and a height of 20 m. What is its area?
500 m2
If the perimeter of a rectangle is 36cm and its width is 8cm, what is its length?
10 cm
A parallelogram has a base of 12cm and a height of 5cm. What is its area?
60 cm2
If a trapezoid bases are 6cm and 3cm, and the height is 9cm. What is the area?
40.5 cm2
A square has a perimeter of 20 cm. What is its area?
25 cm2
A swimming pool is in the shape of a parallelogram with a base of 15 m and a height of 10 m. What is its area?
150 m2
A triangle has side lengths of 5cm, 12cm, and 13cm. What is its perimeter?
30 cm
What is the formula for the area of a trapezoid?
Area = (base1 + base2) × height
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2
A rectangle has an area of 84 cm² and a width of 7 cm. What is its length?
12 cm
A rectangle has a perimeter of 30 cm2 and a width of 5 cm. What is the missing length?
6 cm
A park is in the shape of a trapezoid with bases of 30 m and 20 m, and a height of 12 m. What is its area?
300 m2