Question

A rectangle has a perimeter of 30 yards. If one side is 5 yards long, how long is the other side?

A. 15 yards
B. 25 yards
C. 10 yards
D. 30 yards

Answer 1

C. 10

Explanation:

5+5=10

10+10=20

10+20=30

Answer 2

The other is 10 yards long

Explanation:

For a given rectangle

Perimeter (P) = 30 yards

and one of rectangle is 5 yards

Now,

Perimeter of rectangle

P = 2l + 2b

30 = 2(5) + 2b

30 = 10 + 2b

30 - 10 = 2b

20 = 2b

b = 20 ÷ 2

b = 10 yards

Thus, The other is 10 yards long

-TheUnknownScientist