The tangent to the circumcircle of an isosceles `DeltaABC` at A, in which AB= AC, is parallel to BC.

In the figure, ABC is an isosceles triangle in which AB = AC and LM is parallel to BC. If angleA= 50^(@) find angleLMC .

If the radius of the circumcircle of the isosceles triangle ABC is equal to AB(=AC), then the angle A is equal to-

If the radius of the circumcircle of the isosceles triangle ABC is equal to AB(=AC), then the angle A is equal to-

In an isosceles DeltaABC if angleA=90^(@) and AB=AC , find angleB and angleC .

In the adjoining figure, the circle is the incircle of isosceles DeltaABC , where seg AB = seg AC. Prove that M bisects BC.

In the adjoining figure, the circle is the incircle of isosceles DeltaABC , where seg AB = seg AC. Prove that M bisects BC.

Find the area of an isosceles DeltaABC in which BC = 8 cm and AB = AC = 5 cm. If CEbotAB , find CE.

Tangent at P to the circumcircle of triangle PQR is drawn. If this tangent is parallel to side QR show that Delta PQR is isosceles.

Construct an isosceles DeltaABC in which base BC = 5 cm and side AB = 4 cm.