Answer:
its 5
Step-by-step explanation:
Answer:
33/2
Step-by-step explanation:
6 1/2 ---> 13/2
10 ---> 20/2
13/2 + 20/2 =
33/2
Answer:

Step-by-step explanation:
{90° = m∠1 + m∠2
{105° = 2m∠1 - m∠2
_______________

All you have left to do is this:

So, your two angle measures are 
I am joyous to assist you anytime.
Answer:
(0,2.5)
Step-by-step explanation: