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