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In an isosceles triangle, if the vertex angle is twice the sum of the base angles, then the measure of vertex angle of the triangle is(a) 100°(b) 120°(c) 110°(d) 130° |
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Answer» In an isosceles triangle, if the vertex angle is twice the sum of the base angles, then the measure of vertex angle of the triangle is (a) 100° (b) 120° (c) 110° (d) 130° |
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