State whether the following statements are true or false:
(i) A rectangle is a regular quadrilateral.
(ii) A rhombus is a regular quadrilateral.
(iii) Every parallelogram is a rhombus.
(iv) The diagonals of a rhombus intersect at right angles.
(v) A polygon having 6 sides is called an octagon.
(vi) A road roller has two plane circular faces and one curved face.
(vii) A rectangular pyramid has 5 rectangular faces.
Solution:
Draw a rough sketch of a regular octagon and draw a square by joining exactly four of its vertices.
Solution:
More Solutions:
- Draw the line (or lines) of symmetry.
- The following pictures (of objects) and count their number:
- The following road signs and count their number:
- The following numerals and count their number:
- Copy the following figures on a squared paper.
- Write the letters of words ‘JUST LOOK’.
- Copy the following figures on a squared paper.
- Complete each of them such that the resultant figure.
- Complete the diagram to make it symmetrical.
- In the given figure, l is the line of symmetry.
- Find their reflections in the mirror line l.