Question

find the value of x
Select one:
a. 6.9
b. 8
c. 19
d. 12

Answer 1

@aum

Answer 2

what is the 14 refering to? the whole base? Is it equilateral?

Answer 3

Use the same technique as before. Label the vertices. Find similar triangles between the outermost triangle and the inner triangle whose dimensions are mostly known. Then solve for x.

Answer 4

@peterek0

Answer 5

To be honest i have no clue. there are no specific angels nor information about other sides. Seems unsovable to me but i might be missing something obvious :)

Answer 6

@aum : im getting 4.28 & thats not an answer choice...

Answer 7

this is my work

AD/BD=DB/CB
x/6 = 6/14
x=60/14 = 30/7 = 4.28