Congruent Triangles - Mathematics | Class 9 Questions and Answers on the Mobile | Competitive Exams
Mathematics
Congruent Triangles
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1.
In an isosceles triangle, if the vertex angle is twice the sum of the base triangles, then the measure of vertex angle of the triangle is
a.
$\mathrm{100\xb0}$
b.
$\mathrm{120\xb0}$
c.
$\mathrm{110\xb0}$
d.
$\mathrm{130\xb0}$
.466.
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