### Home > INT2 > Chapter 12 > Lesson 12.2.3 > Problem 12-115

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. Homework Help ✎a.

b.

c.

30°- 60°- 90° pattern

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

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