The ratio of the lengths of the sides of the rectangle is 3: 8 find the perimeter

The ratio of the lengths of the sides of the rectangle is 3: 8 find the perimeter of this rectangle if but the smaller side is 24 cm.

Find the second side of the rectangle using the equation:

24 / x = 3/8;

x = (24 * 8) / 3;

x = 192/3;

x = 64.

Verification:

24/64 = 3/8;

3/8 = 3/8.

Find the perimeter of the rectangle using the formula:

P = (a + b) * 2;

P = (24 + 64) * 2 = 88 * 2 = 176 cm.

Answer: P = 176 cm.