*MATH/GEOMETRY* ΔABC is an isosceles triangle with line AB and line BC equaling 6 units. D and E are the midpoints of line AB and line BC, respectively. The length of line AC is 8 units. The length of line DE is .
(50 points)

answer is x<

y=x+9

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step-by-step explanation:

did you get the answer yet?

step-by-step explanation:

answer: the angel abc is 30°,and the abc is a triangle where the angel bac is 90°

so ac is the half of 24=12ft,and from the pythagorean theorem we find ba

ba=√bc^2-ac^2=√576-144=√432=12√3ft

so bac is 12+12√3=12(1+√3)ft