Answer:
C is your answer
Step-by-step explanation:
Answer:
-2.34
Step-by-step explanation:
It is further away from 0
Answer:
this triangle is ABC with A(-2 ; -3), B(4; - 3) and C(3;5)
=> 
using Heron theorem, we have:

with S is the area of the triangle

Step-by-step explanation:
A right angle is 90 degree, and all the three angles make a sum of 180, so the two acute angles will always add up to be 90