Using the perimeter formula of a rectangle to get the value fence. Luke needs to put a fence around his garden is 24 feet.
What is a rectangle?
It is a polygon that has four sides. The sum of the internal angle is 360 degrees. In a rectangle, opposite sides are parallel and equal and each angle is 90 degrees. And its diagonals are also equal and intersect at mid-point.
Given
Luke wants to put a fence around his garden.
His garden is rectangular shaped and 5 feet wide by 7 feet long.
We know that the perimeter is the sum of all the sides of the rectangle.
Then perimeter will be
Perimeter = 5 + 5 + 7 + 7
Perimeter = 24 feet
Thus, Luke needs to put a fence around his garden is 24 feet.
More about the rectangle link is given below.
https://brainly.com/question/10046743
