Answer:
The third exterior angle is 
Step-by-step explanation:
Given


Required
The third exterior angle 
The exterior angles of a triangle add up to 360 degrees.
So:

Make
the subject

Substitute known values


Answer:
Step-by-step explanation:
if you need to evaluate the expression:
multiply 2 with the parenthesis
12e-6f-8
Which of the following is an irrational number?
A. π
Answer:
slope is 6/0 which is undefined
Step-by-step explanation: