Problema Solution
The perimeter of a rectangle equal the sum of the lengths of its four sides. If the widthy of a rectangle is 9 inches and its perimeter is 42 inches, find the length of this restangle
Answer provided by our tutors
Perimeter = sum of all four sides = 2( length + width)
Here,
width = 9 and perimeter = 42
So,
42 = 2(9 + length)
21 = 9 + length
length = 21 - 9 = 12.
Therefore,
Length = 12 inches.