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3 years ago

What is the length of AD? A. 17. B. 15 C. 7. D. 1

Mathematics

2 answers:

Alchen [17]3 years ago

8 0

You can find the length of AD by finding the difference between the two points. This means subtracting the number under A from the number under D.

D - A
8 - (-7) You can cancel out the double negative
8 + 7 And Add
15

So, the length of AD is B. 15 .

Lera25 [3.4K]3 years ago

7 0

So, We Need To Write An Equation To Find This:

AD = lAl + lDl

So:
AD = l-7l + l8l
l-7l= 7.

AD = 7 + 8

7+8 = 15

AD = 15

So, AD = 15. This Means That The Answer Is B.

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Answer:

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