Answer:
Area of rectangle = 
Perimeter of rectangle = 
Step-by-step explanation:
We are given:
Length of rectangle = x
Width of rectangle = x-4
We are not given if we want to find area of rectangle or perimeter of rectangle.
So, I will be finding both
Area of rectangle
The formula used is: 
Putting values and finding area

So, we get area of rectangle = 
Perimeter of rectangle
The formula used is: 
Putting values and finding perimeter

So, we get perimeter of rectangle = 
I hope, it can help in solving the question.
Use the Pythagorean theorem:
<span>C = √[a^2 + b^2] </span>
<span>C = √[(20^2 + 15^2] </span>
<span>C =√[400 + 225] </span>
<span>C = √(625) </span>
<span>C = 25 inches </span>
Answer: 3.25 inches <span>✔️</span>
Step-by-step explanation:
areas of the figure = 130.25 ft ².
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<em>hope </em><em>this</em><em> will</em><em> be</em><em> helpful</em><em> to</em><em> you</em><em> </em><em> </em><em>.</em>