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 $s_2$).
Step 1. Drink plenty of water with your meals and between meals. Water helps soften your stool. If you do not drink enough fluids, your body will pull water from the colon, hardening the stools. Also avoid caffeinated beverages, which cause your body to lose water.
Constipation and hard stool mainly result from not enough fiber in daily diets. Regularly eating high-fiber foods can soften the stool to promote digestion and overall health. Whole grains are high in fiber which can help to add bulk to stool and make it easier to pass.