It is not possible to construct a triangle when its sides are ____________

In the given figure CE || DB then the value of x⁰ is  ________.

If the diagonal of a rhombus are equal, then the rhombus is a ________.

The interior angle made by the side in a parallelogram is 90° then the parallelogram is a ________.

The angles of the triangle are 3x–40, x+20 and 2x–10 then the value of x is ________.

Find the complement of the following angles (1°= 60′ minutes, 1′ = 60′′ seconds)
70°

Find the value of x

Identify which ones are parallelograms and which are not.

Which ones are not quadrilaterals?

In the figure, AB is parallel to CD, find x

In the figure, AB is parallel to CD, find x

Consider the given pairs of triangles and say whether each pair is that of congruent triangles. If the triangles are congruent, say ‘how’; if they are not congruent say ‘why’ and also say if a small modification would make them congruent:

Consider the given pairs of triangles and say whether each pair is that of congruent triangles. If the triangles are congruent, say ‘how’; if they are not congruent say ‘why’ and also say if a small modification would make them congruent:

Draw ΔPQR with sides PQ = 7 cm, QR = 8 cm and PR = 5 cm and construct its Orthocentre.