Answer:
(3,0)
Step-by-step explanation:
The number on the x axis is the only number that changes not the number on the y axis.
Answer:
the answer of this question is given in above picture, look
Excellent 43.0000
Answer 8747744748848833773737374758
It's 54 degrees.
The internet is a wonderful friend. Type in "Pentagon split into triangles" on google images and you will find a diagram that finds it.