Question

3. The rectangle shown below has a perimeter of 24 inches. What is the unknown length, in inches, of the rectangle? One side of the rectangle is labeled 7 inches and the opposite side has a question mark. Multiple choice questions below.A 119 + 215 B 216-108 C 372 - 48 D 660 - 346

Answer 1

If the perimeter of the rectangle is 24 inches, and the height is 7 inches, and there's an unknown side, we'll have:

7 + 7 + x + x =24

14 + 2x = 24

2x=24-14

2x=10

x=5 inches

The unknown length is 5 inches.