An isosceles triangle is a triangle with two congruent sides and congruent base angles. congruent means equal. No matter which direction the triangle's apex, or peak, points, it's an isosceles triangle if two of its sides are congruent.
Uses of talc: Talc is used in a wide variety of products that we see every day. It is an important ingredient in rubber, a filler and whitener in paint, a filler and brightening agent in high-quality papers, and a primary ingredient in many types of cosmetics.
SD40 alcohol (isopropyl) - petroleum-derived substance, it is also used in antifreeze and as a solvent in shellac and diluted essential oils. Fatal when ingested; Talc-poses a serious risk of ovarian cancer. Estimates are that up to 17% of American women regularly use talc in the genital area.