### Home > GC > Chapter 9 > Lesson 9.1.4 > Problem 9-42

9-42.

Which law can you use to solve for x?

180° = 80° + 27° + y, where y is the unknown angle.

y = 73°

Use the Law of Sines to find the length of x.

x ≈ 10.3

Which side is the longest side of this triangle?

Is that possible?

Find the length of the whole base (including the dotted line). How can you use this to find *x*?

x ≈ 8.07