Give one word problem involving Pythagorean Theorem and solve the problem completely with steps

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°?

How is the number of vertices for a prism related to the name of the prism

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.