In the
figure below, find the value of <FGE.
Solution
<FEG = <HFG
∴ <FEG = 540 [angles in alternate segments are
equal.]
Consider ∆GEF
<EFG + <FGE+ <GEF = 1800 [total
degrees of a triangle]
(390 + 540) + <FGE + 54= 1800
930
+ <FGE + 540 = 1800
1470
+ <FGE= 1800
<FGE= 1800 - 1470
<FGE= 330
∴ <FGE = 330
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