The rectangle is 12 cm long and 3 times less wide. Find the perimeter and area of the rectangle?

Initially, we will determine the width of the specified shape. To do this, we need to reduce the length of the rectangle by three times, that is, divide by three.

12 cm / 3 times = 4 cm – the width of the figure.

Find the perimeter, denoting it with a capital letter P. The perimeter is the sum of all four sides of the rectangle:

P = 12 cm + 4 cm + 12 cm + 4 cm = 16 cm + 16 cm = 32 cm.

Second way to find the perimeter:

P = 12 cm * 2 + 4 cm * 2 = 24 cm + 8 cm = 32 cm.

Area is width times length:

S = 12 cm * 4 cm = 48 cm2.