Answer:
Commutative property of addition
Step-by-step explanation:
This is called the commutative property of addition which states that a + b = b + a. In this case, a = 3 and b = 7.
I believe the answer is 2 because 1/2 x 4 = 4/2 =2
The area of the track will be 78501 m². The area of the track is equal to the area of the circle.
<h3>What is the area?</h3>
The space filled by a flat form or the surface of an item is known as the area.
The number of unit squares that cover the surface of a closed-form is the figure's area. Square meters and other similar units are used to measure area.
The area of the track is found as;

Hence, the area of the track will be 78501 m².
To learn more about the area, refer to the link;
brainly.com/question/11952845
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Unless I am misreading, the question, or don't know all of it, there can be an infinite number of similar shapes. Three are give to you at the bottom of this answer, but there are many more possibilities.
Yes, 5 goes into 100 exactly 20 times because 5 multiplied by 20 is 100