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SAI International School


                                                 Sub – Mathematics

                                                      Class - IV


                                                 Topic – Geometry

        Sub-topic 7: - Relation between radius and diameter


              Practice Time:
              Subjective Questions
               Complete the table given below(find the missing radius and diameter)
               Sl. No.                          Radius                            Diameter
                   1.                           5 cm
                   2.                                                             18 m
                   3.                                                             20 m
                   4.                           32 cm
                   5.                           15 cm

              Objective Questions
            1.  The diameter of a circle is twice its……………..
               a.  radius
               b.  diameter
               c.  chord
               d.  point
            2.  The ………………… of a circle is half of its diameter.
               a.  radius
               b.  diameter
               c.  chord
               d.  point
            3.  The diameter of a circle having a radius of 6cm is………………………..
               a.  10
               b.  12
               c.  14
               d.  6
            4.  A circle has a diameter of 12cm. How long is its radius?
               a.  5cm
               b.  10cm
               c.  2cm
               d.  6cm
            5.  Diameter = 2×____________.
               a.  radius
               b.  diameter
               c.  chord
               d.  point
            6.  Radius = ___________÷ 2.
               a.  radius
               b.  diameter
               c.  chord
               d.  point
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