State whether the statements are True or False.

Sum of two sides of a triangle is greater than or equal to the third side.

In ∆PQR,

If in an isosceles triangle, each of the base angles is 40°, then the triangle is

Which of the following statements is not correct?

Triangle DEF of Fig. 6.6 is a right triangle with ∠E = 90°.

What type of angles are ∠D and ∠F?

In ∆ABC,

In ,D is the mid-point of .

is __________.

PD is ___________.

Is QM = MR?

State whether the statements are True or False.

It is possible to have a triangle in which two of the angles are right angles.

State whether the statements are True or False.

If two angles of a triangle are equal, the third angle is also equal to each of the other two angles.

State whether the statements are True or False.

It is possible to have a triangle in which each angle is equal to 60°.

State whether the statements are True or False.

It is possible to have a triangle in which each angle is less than 60°.