Page 102 - Revised Maths Wisdom Class - 6
P. 102

100                                                                                                 MATHS


          10. In each of the below grids, join A to other grid points in the figure by a straight line to get:

            (a)  An acute angle                                   (b)  An obtuse angle




                        A           B






            (c) A reflex angle












                Mark the intended angles with curves to specify the angles. One has been done for you.

          11. Use  a  protractor  to  find  the  measure  of  each  angle.  Then  classify  each  angle  as  acute,  obtuse,  right,
            or reflex.
                                                                R
             (i)  ∠ PTR                                P
                                                                        Q
            (ii)  ∠ PTQ

           (iii)  ∠ PTW

            (iv)  ∠ WTP                                  T
                                                                         W







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                                          COMPETENCY BASED QUESTIONS

         A  Oral Quiz Oral Quiz

          1.  Define a point.                                    2.  Can two lines intersect of more then one point?
          3.  A line has infinite length. Is it true or false?   4.  Define perpendicular lines.
          5.  What is the measure of a straight angle?

          6.  Name the angle whose measure is more than 180° but less than 360°.


         B  Multiple-ChOiCe QuestiOns Multiple-ChOiCe QuestiOns
          1.  How many lines can intersect at one point?
            (a) two                   (b)  six                (c) three               (d) infinite
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