Answer:
if it is a regular quadrilateral and each angle is equal then its 90 degrees
Step-by-step explanation:
Reason number 1 (before) is that you could contaminate your samples if you have foreign material on your hands.
Reason number 2 (after) is that you could spread<span>/or ingest dangerous chemicals or substances that you have handled in the lab.</span>
1759 if you factor all of the multiples then you would end up with that
Answer:
The correct answer would be π.
Step-by-step explanation:
When trying to find the circumference, the formula would 2πr. So, the relationship between diameter and circumference is π.