Question

Which of the following could be the perimeter of a rectangle with an area of 18 square centimeters?

Answer 1

Answer:

The correct answer is c) 18 centimeters

Step-by-step explanation:

Given:

A = 18 cm²

We know that the formula for calculating area of a rectangle is

A = a · b  where a is length and b is width

Possible choices is  6 · 3 and 9 · 2

Formula for calculating perimeter is

P = 2 ( a + b)

P₁ = 2 (6 + 3) = 2 · 9 = 18 cm²

P₂ = 2 (9 + 2) = 2 · 11 = 22 cm²

The obvious choice is P₁ = 18 cm²

God with you!!!