Answer: The answer is 64
Step-by-step explanation:
you have x squared so you do 10 minus its self and you subtract 18 giving you 8 then you replace the x squared and do 8 x 8 giving you 64
Triangles ABD and BCD are similar, because they are both right and share a common angle, and thus all three angles are equal.
This means that we can set the proportion

Plug the numbers and we have

Solve for
:
