The longest side in the triangle PQR right angled at P is

Find the value of x?

Each angle of equilateral triangle is

Find the value of x?

Sum of angles of a triangle is

.Then the value of x is

.In figure the value of x is

In right angled triangle , the side opposite to the right angle is called __________.

Δ ABC is right angled at C.If AC = 5 cm and BC = 12 cm.Then the length of AB is

If two angles of a triangle are 60^o and 40^o, find the third angle?