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 pleurodesis is a specific form of chemical pleurodesis. Talc is the most effective sclerosant available for pleurodesis in malignant pleural effusion [1]. As compared to indwelling pleural catheter placement, talc pleurodesis has been shown to be equally effective in relieving dyspnea [2].