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Last Updated On [03-11-2023]

Statement 1:

The lines  and  form an isosceles triangle

Statement 2:

If internal bisector of any of triangle is perpendicular to the opposite side, then the given triangle is isosceles

a)

Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1

b)

Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1

c)

Statement 1 is True, Statement 2 is False

d)

Statement 1 is False, Statement 2 is True


Question ID - 54542 :-

Statement 1:

The lines  and  form an isosceles triangle

Statement 2:

If internal bisector of any of triangle is perpendicular to the opposite side, then the given triangle is isosceles

a)

Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1

b)

Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1

c)

Statement 1 is True, Statement 2 is False

d)

Statement 1 is False, Statement 2 is True

1 Answer
5876 Votes
3537

Answer Key : (a) -

(a)

The given lines are

    (i)

     (ii)

       (iii)

The triangle formed by the lines (i), (ii) and (iii) is an isosceles triangle if the internal bisector of the vertical angle is perpendicular to the third side. Now equations of bisectors of the angle between lines (i) and (ii) are

or    (iv)

and     (v)

Obviously the bisector (iv) is perpendicular to the third side of the triangle. Hence, the given lines form an isosceles triangle



Next Question :

Statement 1:

If the vertices of a triangle are having rational coordinates then its centroid, circumcentre and orthocentre are rational

Statement 2:

In any triangle, orthocentre, centroid and circumcentre are collinear and centroid divides the line joining orthocentre and circumcentre in the ratio 2:1

a)

Statement 1 is True, Statement 2 is True; Statement 2 is correct explanation for Statement 1

b)

Statement 1 is True, Statement 2 is True; Statement 2 is not correct explanation for Statement 1

c)

Statement 1 is True, Statement 2 is False

d)

Statement 1 is False, Statement 2 is True


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