REALIABLE TEXT Book 6 A model of a traffic signal on the road
a triangular base ABC with LA = 90°
and with real circular light within it
as shown in the figure if AB = 12cm &
BC.2oom and is the incentre of the
SABC find the area used for the red
light
del
AC = BC -- ABC
= 2016 -
@
= 400 - 144
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