9) In the accompanying diagram, AB and CD intersect at E. Find the value of x. If m ZAEC = 4x - 40 and mZBED = x + 50, find the number of degrees in Z AEC?
B
E
(4x – 40)
(x + 50)
D
А
x=
MZAEC =

What is the absolute value of the complex number -4-sqrt2i

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