Q63 of 131 Page 226

State whether the statements are True or False.
Observe all the four triangles FAB, EAB, DAB and CAB as shown in Fig. 9.28:

All triangles are congruent.

False
As shown in the figure,

Any triangle can have any value of base, vertex etc. Hence, not all triangles are congruent.

State whether the statements are True or False.

All parallelograms having equal areas have same perimeters.

State whether the statements are True or False.

Observe all the four triangles FAB, EAB, DAB and CAB as shown in Fig. 9.28:

All triangles have the same base and the same altitude.

State whether the statements are True or False.

Observe all the four triangles FAB, EAB, DAB and CAB as shown in Fig. 9.28:

All triangles are equal in area.

State whether the statements are True or False.

Observe all the four triangles FAB, EAB, DAB and CAB as shown in Fig. 9.28:

All triangles may not have the same perimeter.

State whether the statements are True or False.Observe all the four triangles FAB, EAB, DAB and CAB as shown in Fig. 9.28:All triangles are congruent.