Help me with my geometry homework

You are assembling pieces of an iron gate to complete a fence. the finished gate will look like the one below. in order to assemble the gate it is important to under how the pieces are related. part 1: how are pies 1 and 2 in the archway related? part 2: how are the rectangular sections 5 and 6 in the center of the gate related to each other?

The longer leg of a 30-60-90 trangle is 18

In triangle abc, angle c is a right angle. find the value of the trig function indicated. find tan a if c = 17 and a = 8