Answer:
20.517
Step-by-step explanation:
I got u
So when you have a rectangular triangle where every angle is weird and you want to find the side length opposite to a given angle, USE COSINE LAW
so unknown side b = sqrt(a^2 + c^2 -2ac cos(angle))
I'm sorry for this ugly formula, but it is what it is. You have to memorize it.
so b = sqrt(11.5^2 + 14.6^2 - 2(11.5)(14.6)cos(103))
= sqrt(420.94856) = 20.517
Hope that answers your question
