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.
But the numbers are still going up, so there probably will be more.. Talc is the softest-known mineral and talcum powder has been used for decades as a lubricant, in cosmetics and for personal hygiene.Johnson's baby powder was one of the company's original products and has been sold for more than a 100 years.ut the numbers are still going up, so there probably will be more.. Talc is the softest-known mineral and talcum powder has been used for decades as a lubricant, in cosmetics and for personal hygiene.