∆abc is similar to ∆def. the ratio of the perimeter of ∆abc to the perimeter of ∆def is 1 : 10. the longest side of ∆def measures 40 units. the length of the longest side of ∆abc is _ units. the ratio of the area of ∆abc to the area of ∆def is _?

ABC = 4

DEF= 1:100

Step-by-step explanation:

The person alredy explained.

25% is the answer

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answer: d.) the total number of protons and neutrons is 15

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