3.
In the given figure, If a = 2b find a and b
a
bº
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given,
a=2b
a+b=180°[linear pair]
2b+b=180°[a=2b]
3b=180°
b=60°
a=2(60°)
a=120°
a=2b
a+b=180°[linear pair]
2b+b=180°[a=2b]
3b=180°
b=60°
a=2(60°)
a=120°
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