Answer: 1: parrallel
2:perpendicular
3; neither
4; perpendicular. 5: parrallel
Step-by-step explanation:
Answer:
triangle 1, triangle 3,
Step-by-step explanation:
Triangle 1= 
Triangle 2= is wrong
Triangle 3= 
Triangle 4= is wrong.
6,135.9 is the correct answer
Answer: what do you need help with
Explanation: you never posted a problem
Answer: an average resulting from the multiplication of each component by a factor reflecting its importance.
Step-by-step explanation: