what is the total surface area of a cylander which has a 2 mm radius and a 5 mm heigth
+1197 SA of cylinder= 2$${\mathtt{\pi}}$$rh+2$${\mathtt{\pi}}$$r^2, r for radius and h for height.
20$${\mathtt{\pi}}$$+4$${\mathtt{\pi}}$$=24$${\mathtt{\pi}}$$
Surface Area=24$${\mathtt{\pi}}$$ mm^2.
+1197 SA of cylinder= 2$${\mathtt{\pi}}$$rh+2$${\mathtt{\pi}}$$r^2, r for radius and h for height.
20$${\mathtt{\pi}}$$+4$${\mathtt{\pi}}$$=24$${\mathtt{\pi}}$$
Surface Area=24$${\mathtt{\pi}}$$ mm^2.
