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NEED UR HELPP PLEASE...
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NEED UR HELPP PLEASE...

NEED UR HELPP PLEASE...-example-1
User Tjaart Van Der Walt
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1 Answer

6 votes
The diagonals of a parallelogram bisect each other so AE = AC:
AE = AC
3x + 12 = 5x - 6
12 = 2x - 6
18 = 2x
9 = x

AE = 3x + 12
= 3(9)+12
= 27 + 12
= 39

AC = AE = 39

Use the Segment Addition Theorem:
AE + AC = AC
39 + 39 = AC
78 = AC

Answer: AC = 78


User Alex Smolov
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