Because they all go into 100 easily. for example 10*10=100 5*20=100
Answer: The area of square A is 28 square units because the area is decreasing by 36 and the angles on each side is decreasing by 9
Step-by-step explanation:
100 divide by 4 sides = 25
64 divide by 4 sides = 16
28 divide by 4 sides = 7
The factors are basically the numbers that you can multiply to get the number. For example, 9 and 7 multiplied give you 63, 3 and 21 also give 63, so those are factors of 63