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N76
[4]
2 years ago
7
30 find the length of AB. D 20 C Show your work
Mathematics
Answer
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1
answer:
vovikov84
[41]
2 years ago
4
0
You use Pythagoras theorem for this:
You add 52 and 20 for AC which is 72
So you do
X^2 = 72^2 + 30^2
X^2 =5184 + 900
X^2= 6084
X = 6084 squared root
X= 78
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