Measure of an interior angle of a regular pentacontakaitrigon

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

What’s the answer ? use the picture to see the problem