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131_G6U26_WB˜ ˙—» ¿º 2011.6.23 3:26 PM ˘ ` 7
131-B4-1
Drawing Triangles (2)
1. Use a ruler and a protractor to draw a triangle with a side and two given angles.
Example
%& ' %$ $ %& '
& #! & %
#!
! ""#!
&% $#!""
!
$ ' $ $ 60 $ ' $
6 cm
60 ! % 70 !
&
6 cm 6 cm
a. Draw a triangle with a side of 4.5 cm b. Draw a triangle with a side of 4 cm
and angles of 70 and 50 . between two angles of 45 .
131-B4-1
Drawing Triangles (2)
1. Use a ruler and a protractor to draw a triangle with a side and two given angles.
Example
%& ' %$ $ %& '
& #! & %
#!
! ""#!
&% $#!""
!
$ ' $ $ 60 $ ' $
6 cm
60 ! % 70 !
&
6 cm 6 cm
a. Draw a triangle with a side of 4.5 cm b. Draw a triangle with a side of 4 cm
and angles of 70 and 50 . between two angles of 45 .
