If the bisector of an angle of a triangle also bisects the opposite side, prove that the triangle is isosceles
Prove that if in two triangles two angles and the included side of one triangle are equal to two angles and the included side of the other triangle, then the two triangles are congruent
Bisectors of the angles B and C of an isosceles triangle ABC with AB = AC intersect each other at O. Show that external angle adjacent to ∠ABC is equal to ∠BOC.
Bisectors of the angles B and C of an isosceles triangle with AB = AC intersect each other at O.
BO is produced to a point M. Prove that ∠MOC =∠ABC.
ABC is an isosceles triangle with AB = AC and BD and CE are its two medians. Show that BD = CE.
Is it possible to construct a triangle with lengths of its sides as 8 cm, 7 cm and 4 cm? Give reason for your answer.
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