Question

ABC is triangle in which AB=BC=AC=4cm and angle A is 90 degree calculate these area of triangle ABC also find the length of the perpendicular from A to BC

Answer 1

here, the sides of the triangle ABC are equal which means that it is an equilateral triangle.
And in an equilateral triangle all the angles are equal to 60 degree.
But in the question angle A=90 degree
so the question is wrong.