CPM Homework Help : INT2 Problem 12-115

For each triangle below, determine the value of $x$ , if possible. Name the triangle relationship that you used. If the triangle cannot exist, explain why.

Partial Answer (a):

$30°- 60°- 90°$ pattern

Hint:

Why is the length of the hypotenuse significant in this particular triangle?

Hint:

Use the area to work backwards to find the value of $x$ .