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.
Among the different. modifications of talc, mostly pure and lamellar. talc grades are used in the plastic industry. Talc is usually lamellar (platy), but the aspect. ratio can vary considerably. Its high aspect ratio. is the most important property for its use in. plastics. Talc is a functional component in paper, paints, plastics, rubbers, ceramics, fertilizers, animal. feed, cosmetics, pharmaceuticals and other.