Can you identify the regular quadrilateral?

What is the shape of

(i) your geometry box?

(ii) a brick?

(iii) a matchbox?

(iv) a drum?

(v) a playing die?

(vi) a sweet laddu?

Fill in the blanks:

(i) A cube has ….. square faces, ….. edges and ….. vertices.

(ii) A triangular prism has ….. triangular faces, ….. rectangular faces, ….. edges and ….. vertices.

(iii) A triangular pyramid has ….. faces, ….. edges and ….. vertices.

Fill in the following blanks:

(i) An angle whose measure is less than that of a right angle is …..

(ii) An angle greater than 180° and less than a complete angle is called … .

(iii) An angle whose measure is the sum of the measures of two right angles is ….. .

(iv) When the sum of measures of two angles is that of a right angle, then each one of them is …..

(v) When the sum of measures of two angles is that of a straight angle and if one of them is acute then the other is ….. .

(vi) A triangle having one of its angles as right angle and with lengths of two sides equal is called ….. triangle.

(vii) A cuboid has ….. faces, ….. edges and ….. vertices.

(viii) A rectangular pyramid has ….. faces, ….. edges and ….. vertices.