[Answer] Triangle ABC is an isosceles right triangle. What is the measure of a base angle?

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Triangle ABC is an isosceles right triangle. What is the measure of a base angle? Isosceles triangle - Wikipedia Scalene Triangle - Definition Properties Formulas and ... Isosceles triangle - Wikipedia Answer: The measure of the base angle = 45°. Step-by-step explanation: For better explanation of the solution see the attached figure of the diagram : Given : An isosceles right triangle ABC. To find : Measure of the base angle. Solution : Since The triangle is right angle triangle. ⇒ m∠B = 90°. Equilateral Triangle → 3 equal sides. Isosceles Triangle → 2 equal sides. Scalene Triangle → no equal sides. If triangle ABC is an isosceles right triangle then one of the angles will be 90°. The other two angles ( base angles ) will have the same value. We could draw this triangle as shown in the attachment. Let: the base angle = x. x + x + 90º = 180º. 2x + 90º = 180º If Triangle ABC is an isosceles right angle base angle would be equal to 45 degree. It is because in an isosceles right triangle two angle remains equal (45) and one is … The base angles of an isosceles triangle are the same in measure. Refer to triangle ABC below. AB ≅AC so triangle ABC is isosceles. ABC can be divided into two congruent triangles by dra...

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