Answer:
In a mathequation when needed
Step-by-step explanation:
Answer:

Step-by-step explanation:
the other 3 are perfect squares and have rational answers.

The answer is D. All you have to do is add all of the angles for each choice you're given. It has to add up to exactly 180, because every triangle is 180 degrees.
Answer:
B
Step-by-step explanation:
I am assuming that the university has much more than 100 students so 100 people is just a small sample.