One of the base angles of an isosceles triangle is 40^o then  the vertex angle is?

If PQ = QR and ∠P = 37 1/2^o. Then measure of ∠PQR is 

In ΔABC, AC = BC. Then value of x is 

In the given figure AC = AD and B is the midpoint of CD.Which of the following statement is correct? 

In an isosceles right angled triangle, state the measure of equal angles

In the adjoining figure ΔBAC = 40^o then the value of ∠ABC is

 

If ∠Y = ∠Z, YZ = 12cm and perimeter of ΔXYZ = 38cm. Then length of XZ is

In ΔABC, AB = AC and ∠B is more than 30^o but less than 45^o .Then m∠C cannot be

In ΔABC, ∠B = ∠C. Then value of x is