Step-by-step explanation:
The reason why all the addition of the all the triangle's angles is equal to 180° is because it's a rule
REMEMBER THAT RULE !!!!
If you have any questions about the way I solved it, don't hesitate to ask me in the comments below =)
Answer:
n=radical of 28
Step-by-step explanation:
n^2=bc
n^2=28
n=radical of 28