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.
talc can be used as a lubricant, ground and used as a powder, it is also used in medicine in various forms and in scientific experimentation and helpful to use. In deodorants and in talcum powders. It mainly absorbs moisture thus preventing rashes (diaper or friction rashes). talc can be used as a lubricant, ground and used as a powder, it is also used in medicine in various forms and in scientific experimentation and helpful to use. In deodorants and in talcum powders.
talc. A white, greenish, or gray mineral that is a silicate of magnesium, usually occurring as massive mica-like flakes. It has a soft, soapy texture, and is used in face powder and talcum powder, for coating paper, and as a filler in paints and plastics.Talc is the mineral used to represent a hardness of 1 on the Mohs scale.alc. n. 1. See talcum powder. 2. (Minerals) a white, grey, brown, or pale green mineral, found in metamorphic rocks. It is used in the manufacture of talcum powder and electrical insulators. Composition: hydrated magnesium silicate.