Answer:
it is the 1st one
Step-by-step explanation:
because you have to add up all three sides because you need 180 then subtract that answer from 180 and you will get your answer
Answer:
B
Step-by-step explanation:
Let's start by converting each of these into decimal form.

Therefore, the correct order is:

or answer choice B. Hope this helps!
The answer is x= 23/12 OR x=1 11/12 OR x=1.916
C because since this is a incomplete equation, finding the missing area all you have to do is divide
Answer:

Step-by-step explanation:
we know that
In the right triangle ABC of the figure
Applying the Pythagoras Theorem

substitute the given values

Solve for c



