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  • Which triangle has congruent angles? - Brainly. com
    The triangle that has congruent angles is the equilateral triangle, where all three angles are equal Other options, like isosceles and right triangles, may have some equal angles but not all Thus, the answer is option C, equilateral
  • Triangles - Equilateral, Isosceles and Scalene - Math is Fun
    Equilateral: "equal"-lateral (lateral means side) so they have all equal sides; Isosceles: means "equal legs", and we have two legs, right? Also iSOSceles has two equal "Sides" joined by an "Odd" side Scalene: means "uneven" or "odd", so no equal sides What Type of Angle? Triangles can also have names that tell you what type of angle is inside:
  • Triangle Types and Classifications: Isosceles, Equilateral, Obtuse . . .
    The Isosceles triangle shown on the left has two equal sides and two equal angles The Scalene Triangle has no congruent sides In other words, each side must have a different length The Acute Triangle has three acute angles (an acute angle measures less than 90°) The Obtuse Triangle has an obtuse angle (an obtuse angle has more than 90°)
  • Prove that a triangle that has two congruent angles is isosceles
    Let the congruent angles be $\angle B,\angle C$ Then, we have to show that $\overline{AB}\cong\overline{AC}$ To do this, connect the angle bisector of $\angle A$ with point $A$ to get $\overline{DA}$ ($D$ is where the angle bisector intersects $\overline{BC}$) Then, $\overline{DA}\cong \overline{DA}$, and $\angle B\cong\angle C$
  • Lesson Explainer: Isosceles Triangle Theorems | Nagwa
    An isosceles triangle is a triangle that has two congruent sides The congruent sides are called the legs of the triangle, and the third side is called the base The isosceles triangle theorem states that, if two sides of a triangle are congruent, then the angles opposite those sides are congruent
  • Isosceles Triangle Theorem - Andrea Minini
    A triangle is isosceles if and only if it has two congruent base angles This follows from the fact that, in any triangle, sides opposite equal angles must also be equal Therefore, if a triangle is isosceles, then it has two congruent angles
  • Sometimes, Always, or Never (Congruent Triangles) Flashcards
    If two angles of one triangle are congruent to two angles of another triangle, then the third pair of angles is congruent
  • If a triangle has congruent base angles, then the triangle is isosceles . . .
    According to a theorem in geometry, if a triangle has congruent base angles, then that triangle is an isosceles triangle This means that the sides opposite these angles are equal in length Therefore, in Triangle ABC, since ∠B = ∠C, we can conclude that option c) Triangle ABC is isosceles is correct
  • Isosceles triangle - Math. net
    To identify if a triangle is isosceles, check whether it has two congruent sides and angles; if it does, it is isosceles; if it doesn't, it is not isosceles An isosceles triangle can look like various different things depending on the type of isosceles triangle
  • A. scalene B. isosceles C. obtuse D. right A. congruent B. right C . . .
    1 If two angles of a triangle measure 56 and 68 , the triangle is A scalene B isosceles C obtuse D right 2 If two isosceles triangles have congruent vertex angles, then the triangles must be A congruent B right C equilateral D similar 3 In the accompanying diagram of ^AEB, EBis extended to Rand K, and mO3 = mO4 = 135 Triangle AEBmust be





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