16.2 - 3(4) + 14/2 how many terms does it have?

Anew fountain in the shape of a hexagon will have 6 sides of equal length. on a scale drawing, the coordinates of the vertices of the fountain are: (7.5,5), (11.5,2), (7.5,−1), (2.5,−1), (−1.5,2), and (2.5,5). how long is each side of the fountain?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

See attachment below and find the equivalent of tan(∠qsr)