D and b
they are 90° angles cause you can draw your line to make a 90° angle
Answer: .81%
<u>Step-by-step explanation:</u>
Since each digit has to be greater than 6, that leaves only 7, 8, & 9 as successful digits.

Answer:
x = 2
Step-by-step explanation:
Hope this helps, have a good day
Answer:
This question is incomplete. Please add more detail and clarify the question.
Step-by-step explanation: