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.
The byproduct of this is fertilizer. Talc is also used to make talcum. powder, among other things. Talc is used as an ingredient in ceramics, paper, paint, roofing, plastics, cosmetics, talcum, and baby powder. I was surprised to learn that talc is used in counter tops for laboratory