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Question

In the figure (not drawn to scale), BCF is an isosceles triangle with FC=FB, EBF and ABC are straight lines, EB is parallel to GC. Find x.
723698_6cf25d98413840428e19a5859941fdb1.png

A
264o
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B
84o
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C
118o
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D
200o
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Solution

The correct option is A 264o
EB is parallel to GC .....(given)

BCG=ABE=48 ....Corresponding angles of parallel lines

FBC=ABE=48 Vertically opposite angles

In a ΔBCF, we have

FC=FB given

FBC=FCB=48 ....Angles opposite to equal sides are also equal

Consider point C:

Sum of all angles around a point =360.

BCG+FCB+x=360

48+48+x=360

96+x=360

x=264


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