Find the perimeter around the given semicircle. Use 3 . 143.14 as an approximation for \mathrm{\pi }π. me math grade is low help plz

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.