Now take a look at the angle measurements of ABC and A'B'C' . Move the slider, and observe the values of the angle measurements of the image and the preimage. Measure and record at least two sets of angle measurements in the table. Choose one set of measurements where n > 1 and one set where n < 1. Round the values to the nearest degree.

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?