I need help with this question please

Prism m and pyramid n have the same base area and the same height. cylinder p and prism q have the same height and the same base perimeter. cone z has the same base area as cylinder y, but its height is three times the height of cylinder y. the figures and have the same volume.

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?

Geometry - finding area of regular polygons and sectors (check my math, i can’t find the error)