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
Answer Link
VER TODAS LAS RESPUESTAS ( 65+ )
Otras preguntas
Can somoene help me with this question??How might the history of the U.S. have been different if the original thirteen states had been guaranteed a perpetual ma
How do scientists use seismic waves to determine the interior structure of Earth?
Alicia estimates that the surface area of a rectangular prism with a length of 11 meters,a width of 5.6 meters,and a height of 7.2 meters is about 334 cubic met
An airplane travels 3,260 kilometers in 4 hours. What is the airplane’s average speed?
If 8 men can chop down 28 trees in one day, how many trees can 20 men chop down in one day?
you measure or observe two events to occur at the same time one nearby and one further away. Which one did you actually see first?
Write a system of equations with a solution (4,–3)
Dominick lives 1 3/4 miles from his school. If his mother drives him half the way, how far will Dominick have to walk to get to school?
Does every point lie in a quadrant?
which seismic wave moves through earth at the fastest speed?
