Answer:
the answer is step 2 I hope it's help
Your file attachment isnt working so i cant help sorry.
We are given:
138 km south
83 km west of the bearing is the drop-off point.
First, we need to illustrate the problem to clearly see the pattern.
A triangle is formed, 138 km down, then 83 km left.
c^2 = 138^2 + 83^2
c = 161.04 km
The angles are determined using Pythagorean Theorem:
a) 217 degrees
b) 31 degrees
Step-by-step explanation:
1. Review a given problem : 
2.distributive property: 
3. Simplify: 
Answer:
5
Step-by-step explanation:
interior angles of a triangle add up to 180 ⁰ and since it is an isosceles triangle
X=5
