Find the value of x?

Which of the following represents scalene triangle?

The line segment joining the midpoint of one side to its opposite vertex is called ___________ of the triangle.

. In figure the value of ∠A C D is

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

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

Find the value of x?

.In figure the value of x is

If three sides of a triangle are equal, then it is called _______.

Sum of angles of a triangle is