3. The difference between an exterior and an interior angle of a regular polygon with n sides
is equal to 2 times the size of its exterior angle. Find n.

You will get 25 points an image of a rectangular prism is shown below: part a: a cross section of the prism is cut with a plane parallel to the base. what is the name of the shape created by the cross section? explain your answer. (5 points) part b: if a cross section of the prism is cut perpendicular to the base, what would be the shape of the resulting cross section? explain your answer. (5 points)

Draw the line of reflection that reflects △abc onto triangle δ a'b'c'

What is the value of x in the equation 2(x-4) = 4(2x + 1)?