In the
figure below, find the value of <HLJ.
Solution
<HJL = <LHK
∴ <HJL = 540 [angles in alternate segments are
equal.]
Consider ∆HJL
<JHL + <HLJ+ <HJL = 1800 [total
degrees of a triangle]
(440 + 540) + <HLJ + 54= 1800
980
+ <HLJ + 540 = 1800
1520
+ <HLJ= 1800
<HLJ= 1800 - 1520
<HLJ= 280
∴ <HLJ= 280
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