Question

The perimeter of a rectangle is equal to
32 cm. One of the sides is 4 cm longer than
the other side. Find the lengths of the sides of
this rectangle.

Answer 1

Ответ:

• Let's take the other side for x,then one of the parties х+4 сm.Write an equation:

1)х+х+4+х+х=32

4х+4=32

4х=32-4

4х=28

х=28:4

х=7 (cm) - other side

2)7+4=11 (cm) - one of the parties

3)11+7=18 (cm) - sum of two known sides

4)32-18=14 (cm) - sum of two unknown sides

5)14:2=7 (cm) - so many centimeters each side unknown to us

Аnswer:

1,3,4 side = 7 cm

2 side = 11 cm