Fig. 1.18
Activity:
• Draw a A ABC.
Bisect Z B and name the point
of intersection of AC and the
angle bisector as D.
A
D
Measure the sides.
AB =
cm BC
=
cm
B.
C
AD =
cm DC =
cm
.
Fig. 1.19
AB. AD
Find ratios and
BC DC
You will find that both the ratios are almost equal.
can verify that the ratios are equal.
Bisect remaining angles of the triangle and find the ratios as above. You
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so this is the answer
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