Opt for protein-rich foods, such as lean meat, eggs, dairy, beans, lentils and seafood low in mercury. Choose a variety of whole grains as well as fruits and vegetables. Wash your fruits and vegetables to reduce exposure to pesticide residue.
Three-sided (adj) having three sides, especially three plane sides; as, a three-sided stem, leaf, petiole, peduncle, scape, or pericarp
A triangle has three corners, hence the prefix tri-which means 3, so 3 angles and these 3 internal angles always sum to 180 degrees.