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.
Talc has many uses in cosmetics and personal care products including as an absorbent, anti-caking agent and to improve the feel of the product. Talc is approved by the Food and Drug Administration for use in ingested and topical drug products. Is talc safe for use in cosmetics and personal care products? Health experts have maintained over the years that products containing talc are safe when used as directed, and recent scientific reviews of available data have supported this position. The Food and Drug Administration has determined that talc is Generally Recognized As Safe (GRAS) for use as an anti-caking agent in foods.