15/16 is 1 sixteenth group of what size?

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.

If value of cos330° is √3/2 then find tan165°.