Question

Solve for x using the picture below.

Answer 1

x = 7.5

Explanation:

Because the two quadrilaterals formed by the two parallel lines are similar,
`(4)/(6) =(5)/(x)`

Using cross multiplication,
`x = (6*5)/(4)`

Thus, x =
`(15)/(2)` = 7.5.

Answer 2

X+5

Explanation:

you carry 5 to be corresponding to x

and angles on a straight line add