Surface Area of a Rectangular Pyramid. The surface area of a regular square pyramid is the sum of area of the base and area of four isosceles triangles. But for rectangular pyramid, with rectangular base, we can not use the standard formula of surface area because there is more than one slant height ($s_1$ and $s_2$).
Flaxseeds. Another food to help relieve constipation is flaxseeds. Flaxseeds are rich in fiber and essential fatty acids, healthy fats that soften stool and ease constipation. The best way to use flaxseeds as a stool softener is to add approximately 2 tablespoons of flaxseed to your cereal or meals.
Exercise at least 30 minutes per day Photo Credit YanLev/iStock/Getty Images. You can prevent hard stools by using the bathroom as soon as you feel the urge to go. Drink plenty of water every day to help soften stool. Exercise for at least 30 minutes per day to help make your bowels more active.