Answer:
perpendicular
Step-by-step explanation:
They form a 90 degree angle
Answer:
You need to attach a picture or something.
You are right. 5 is correct.
Answer:
Step-by-step explanation:
15 plus 15 plus 15 is 45 - 15 =30
Answer:
8.80
Step-by-step explanation:
When rounding up and you are stuck with nine
You can't say 8.710
Your simply add one to the number before it
8.80 that your answer