Isosceles Triangle | Definition, Properties Examples Isosceles Triangle Theorem The isosceles triangle theorem is a fundamental theorem that outlines one of the most important properties of an isosceles triangle It states that the angles located
What is an Isosceles Trapezoid? - Study. com An isosceles trapezoid is a quadrilateral having the following properties: One pair of parallel sides (AB and DC) One pair of congruent legs (DA and CB) Base angles are congruent (m<D = m<C)
Proofs Angles of an Isosceles Trapezoid | Overview Diagram An isosceles trapezoid is a four-sided shape with one pair of parallel sides and non-parallel sides that are equal In order to prove that a trapezoid is an isosceles trapezoid,
Area of an Isosceles Triangle | Formula Examples An isosceles triangle is a triangle that has two equal sides known as the legs and two equal angles The side that is different that the matching sides is known as the base and three vertices
Vertex Angle of an Isosceles Triangle | Definition Examples An isosceles triangle is a special type of triangle in which two sides are congruent An easy way to remember that an isosceles triangle has two equal sides is the phrase "I saw some sleeves