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

In ΔABC, AC = BC. Then value of x is 

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

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

If AB = AC and ∠B = 43^o. Then measure of ∠ACB is 

In the given figure AB = AC = AD, ∠B = 23^o and ∠D = 47^o. Then ∠BCD = 

In an isosceles triangle if a base angle is twice the vertical, calculate the angles of the triangle

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

The vertex angle of an isosceles triangle is 50^o then the base angles are?

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