If the bisector of an angle of a triangle also bisects the opposite side, prove that the triangle is isosceles.

BE and CF are two equal altitudes of a triangle ABC. Using RHS congruence rule, prove that the triangle ABC is isosceles.

If a sin a=b sin B then prove that Delta ABC is isosceles.

If a sin a=b sin B then prove that Delta ABC is isosceles.

BE and CF are two altitudes of a triangle ABC. Using RHS congruence rule, prove that the triangle ABC is isosceles.

If the angles of a triangle are in the ratio 3:4:5 , then the sides are in the ratio

If a, b, and c, are the sides of a right-angled triangle where C is the hypotenuse, prove that the radius r of the circle which touches the sides of the triangle is given by r=(a+b-c)/(2) units.

If the sides of a right angled triangle are in A.P then the sines of the acute angles are

If the angles of a triangle are in the ratio 1 : 2 : 3 , then the sides are in the ratio :

If the angles of a triangle are in the ratio 2 : 3 : 7 , then sides are in the ratio of

The Vertices of a triangle are (8,-4) ,(9,5) and (0,4) Prove that triangle is an isoscele triangle .