Answer:

Step-by-step explanation:
In order for the triangle to be a right one we need every side to be of the same length. see the photo for furyher explanation.
4.2m
10N/kg
Hjdsdgjbcsryhbvzshkk
Answer:
D.
Step-by-step explanation:
It just is hard to explain but I had the same question.
If you're trying to say what's 90% of 63, you divide 63 by 10 which is 6.3 then times by 9 which is 56.7