Question

Find the Value of x.
읽
28
20
0 10

Answer 1

x =28

Explanation:

We have similar triangles, so we can use ratios

12 8

------ = ----------

12+30 x

Using cross products

12x = 8*(42)

12x = 336

Divide by 12

12x/12 = 336/12

x =28