Question

If two angles of a triangle are 90º and 45º, then the
triangle is
(1) Equilateral
(2) Obtuse angled
(3) Scalene
(4) Isosceles right angled

Answer 1

4) isosceles right angled

Answer 2

if one of the angle of a triangle is 90 degree then it is a right angled triangle.

which is not in your option

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