1. What is the sum of the positive integer factors of 2017?


2. Oberon and Lance sit directly opposite each other at a large round table. Arthur sits at the same table, 20 feet from Oberon and 21 feet from Lance. What is the diameter of the table?

mathtoo  May 19, 2018

1. Since 2017 is prime, the number only has 2 factors, 1 and 2017.

Thus, the answer is \(1+2017=\boxed{2018}\)


2. Labeling all the points, we have a right triangle.

We use the formula, a^2+b^2=c^2

So, \(20^2+21^2=c^2\)





tertre  May 19, 2018

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