one of the base angles of an isosceles triangle is 70 degree. find its vertical angle
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vertical angle is equal to 40
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We know that an isosceles triangle has two sides of the same length and one side of different length. The sum of the measures of the angles of the triangle is 180°. We know the vertical angle of the triangle i.e., 100°. Let the base angles be x and x since they have the same
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