What's the Formula?
The formula for the area of a rectangle.
A = L x W
Trying to find the length of a fence.
Perimeter.
The perimeter of a square with side lengths of 6cm.
P = 6cm + 6cm + 6cm + 6cm
P=24cm
The perimeter of a triangle with lengths of 3cm, 4cm, and 6cm.
P= 3cm + 4cm +6cm
P= 13cm
The length of a rectangle with an area of 36cm² and a width of 4cm.
9cm.
The formula for the area of a square.
A = L x W
How much soil can fit inside of a garden.
Area.
The area of a rectangle with a side length of 3in and 5in.
A= 3in x 5in
A= 15in2
The area of a triangle with a base of 5in and height of 4in.
A= (5in x 4in) ÷ 2
A= 20in2 ÷ 2
A= 10in2
The side of a square with an area of 64 m².
8m.
The formula to find the volume of a cube.
A = L x W x D (or L x W x H)
How much stuff a box can contain.
Volume.
A square with lengths of 9in.
A= 9 x 9
A= 36in2
The perimeter of a triangle with equal sides of 12cm.
P = 12cm + 12cm + 12cm
P= 36cm
The width of a rectangle with an area of 35in2 and a length of 7in.
5in.
The formula to find the area of a triangle.
A = (B x H) ÷ 2
How much space a rug takes up.
Area.
The perimeter of a rectangle with sides 13in and 20in.
P = 13in + 13in + 20in + 20in
P= 66in
The perimeter of a triangle with the side lengths of 25in, 34in, and 12in.
P = 25in + 34in + 12in
P= 71in
The base of a triangle with an area of 9m2 and a height of 6m.
b = 3m
The volume of a triangular prism.
V = (B x H x D) ÷ 2
How much juice a bottle contains.
Volume.
The area of a rectangle with sides of 23in and 12in.
A= 23in x 12in
A= 276in2
The area of a triangle with a base of 15m and height of 8m.
A= (15m x 8m) ÷ 2
A= 120m2 ÷ 2
A= 60m2
The height of a triangle with a base of 12cm and an area of 48cm².
h = 8cm