It is all of them but except (0,4)
Answer:

Step-by-step explanation:

Distribute the brackets.


Add
on both sides.



Divide
on both sides.


Answer:
5P= 2P+21+45 ( sum of two sides is is equal to
the opposite exterior angle)
5P=2P +61
5P-2P=61
3P=61
p= 61÷3
p=2.33333
It is a little less than 90 degrees, which is a right angle, so it will be more acute