Using the formula two 𝑙 plus two 𝑤, where 𝑙 represents length and 𝑤 the width, find the perimeter of the given rectangle if 𝑙 equals five and 𝑤 equals two.
So we know the length of the rectangle is five and the width equals two. And we’re told to use the formula two 𝑙 plus two 𝑤. So to calculate the perimeter, we need to multiply the length by two and the width by two. Two times five is 10. So two 𝑙 equals 10. And two times two is four. So two 𝑤 equals four. 10 plus four is 14. So the perimeter of the rectangle is 14.