30 find the length of AB. D 20 C Show your work

Mathematics

1 answer:

vovikov84 [41]1 year 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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