Determine the area and perimeter of 3.6cm by 4.2cm
show your work.
P = 2L + 2W
P = 2(3.6) + 2(4.2)
P = ______ cm
A = lw
A = 3.6 * 4.2
A = ______ square cml
SQUARE with sides of length 9 mm
To find the area and perimeter of a rectangle, you will need the length and width of the rectangle. In this case, the length is 4.2 cm and the width is 3.6 cm.
To calculate the area of a rectangle, you use the formula: Area = Length × Width.
So, the area of the rectangle can be found by multiplying 4.2 cm by 3.6 cm:
Area = 4.2 cm × 3.6 cm = 15.12 cm²
Therefore, the area of the rectangle is 15.12 square centimeters.
To calculate the perimeter of a rectangle, you use the formula: Perimeter = 2 × (Length + Width).
So, the perimeter of the rectangle can be found by multiplying the sum of the length and width by 2:
Perimeter = 2 × (4.2 cm + 3.6 cm) = 2 × 7.8 cm = 15.6 cm
Therefore, the perimeter of the rectangle is 15.6 centimeters.