If the square of one side of a triangle is equal to the sum of the squares of the other two sides then the triangle is a right triangle with the angle opposite the first sides as right angle.

If one angle of a triangle is equal to the sum of the other two,show that the triangle is a right triangle.

If one angle of a triangle is equal to the sum of the other two,show that the triangle is a right triangle.

Theorem 6.9 : In a triangle, if square of one side is equal to the sum of the squares of the other two sides, then the angle opposite the first side is a right angle.

If in a triangle, square of one side is equal to the sum of squares of the other two sides, then the angle opposite the first side is :

If one angle of a triangle is equal to the sum of other two, show that the triangle is a right triangle.

If one angles of a triangle is equal to the sum of the other two, show that the triangle is right angled.

If one angle of a triangle is equal to the sum of other two,show that the triangle is a right triangle

In a triangle, if the square on one side is equal to the sum of the squares on the other two sides, prove that the angle opposite to the first side is a right angle. Use the above theorem to find the measure of anglePKR in Fig. 7.52.

If one angle of a triangle is equal to the sum of the other two angles,then the triangle is an isosceles triangle (b) an obtuse triangle an equilateral triangle (d) a right triangle