ahmed0102al
ahmed0102al
01-06-2018
Mathematics
contestada
NEED UR HELPP PLEASE...
Respuesta :
tramserran
tramserran
01-06-2018
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
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