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Question

In a hexagon ABCDEF; side AB is parallel to side FE and B:C:D:E=6:4:2:3.

Find the measure of B.

A
108
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B
216
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C
244
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D
None of these
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Solution

The correct option is B 216
Given in hexagon ABCDEF
And B:C:D:E=6:4:2:3
Let B=6x,C=4x,D=2x,E=3x
Now AB||EF and AF is the traversal.
A+F=1800 (Linear pair)
Now hexagon has 6 sides
Sum of angle of hexagon =(62)×180
A+B+CD+E+F=4×180
180+6x+4x+2x+3x=720
15x=720180
15x=540
x=360
Hence, B=6×36=2160

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