Page 14 - steps 3b.pdf
P. 14

DRM 12

      ~ Angles  _  _  _  _  _  _  _  _  _  -                                                         3b:4


                                                                                                                e




                     .  a  .                                    Angle  b is  closest to
                    b    b                                      a  half right  angle.
                     .  a  .

















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                                                                                                       I  \ e



        rn  Draw 5 different-sized  oblongs  and  rule  their diagonals.
              Label  opposite angles a  and  b as shown  above.


        [!J  Estimate which  pair of angles is  closest to a  half right angle.
              Check with  a half right angle measure.

        @]  Mark the pairs of angles closest to  a half right angle in  blue.









































                                                              Estimating and measuring half right angles.
       I Name                                                 Materials: half right angle measurer.
         Date

       © HarperCollinsPub/ishers Ltd 1997 STEPS 3b Differentiation Pack
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