What is the missing angle for a triangle with a height of 60°

When you are making a circle graph by hand, how do you convert a number for a part into its corresponding angle measure in the circle graph? when you are making a circle graph by hand, what should you do if one of your angle measures is greater than 180°?

What is the value of x in the following equation? -3x-2=2x+8

Complete the synthetic division problem below.what is the quotient in polynomial form 2/16 -16