What length and width a rectangle can be if its perimeter is: 18 cm; 30 cm.

1) Find half of the perimeter of the rectangle. Divide the perimeter by 2.
18 cm ÷ 2 = 9 cm.
Half of the perimeter is the sum of the length and width of the rectangle. Determine the possible lengths of the sides of the rectangle.
1 cm and 8 cm.
2 cm and 7 cm.
3 cm and 4 cm.
4 cm and 5 cm.
1) Find half of the perimeter of the rectangle. Divide the perimeter by 2.
30 cm ÷ 2 = 15 cm.
Half of the perimeter is the sum of the length and width of the rectangle. Determine the possible lengths of the sides of the rectangle.
1 cm and 14 cm.
2 cm and 13 cm.
3 cm and 12 cm.
4 cm and 11 cm.
5 cm and 10 cm.
6 cm and 9 cm.
7 cm and 8 cm.