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which of the following triangles is both an obtuse triangle and isosceles triangle.

A triangle with angles measuring:

a) 60,60,60
b) 120,30,30
c) 110,15,55
d) 30,70,80

  • math -

    An Isosceles triangle has 3 equal angles. so the ans. is b.

  • math -

    CORRECTION: 2 EQUAL ANGLES.

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