Answer:
x=120°
Step-by-step explanation:
sum of all angles in a triangle is equal to 180
let the unknown angle be



Answer:
4.6
Step-by-step explanation:
28.888 / 3.14 = 9.2
9.2 / 2 = 4.6
There would approximately be 36 ordered triples
Answer:

Option A is correct.
Step-by-step explanation:
We need to find equivalent of 
First we solve 
We get 
Now checking all the options.
Option A: 
Solving 
Option B: 
Solving 
Option C: 
Solving 
Option D : 
Solving 
So, looking at the options, only Option A has the same result as given question
So, 
Option A is correct.