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.
Whysner's review includes studies of more than 2,000 women with ovarian cancer who had used talc- and/or cornstarch-based products in the vaginal area. Some used the powder to dust sanitary napkins as well; some stored diaphragms or condoms in the powder.