What is the measure of the vertex angle of an isosceles triangle if one of its base angles measures 65° and its congruent sides each measure 15 cm?

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asked Jan 5, 2018 176k views

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Dikshit Kathuria · Answer 1 · 2018-01-11T02:29:44+0000

since base angles of an isosceles triangle are congruent the other base angle is also 65. since the three angles together sum to 180 thst leaves 180-65-65=180-130 = 50 degrees for the vertex angle

What is the measure of the vertex angle of an isosceles triangle if one of its base angles measures 65° and its congruent sides each measure 15 cm?

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