In the
figure below, find the value of <RUS.
Solution
<RSU = <TRU
∴ <RSU = 540 [angles in alternate segments are
equal.]
Consider ∆SRU
<SRU + <RUS+ <RSU = 1800 [total
degrees of a triangle]
(460 + 540) + <RUS + 54= 1800
1000
+ <RUS + 540 = 1800
1540
+ <RUS= 1800
<RUS= 1800 - 1540
<RUS= 260
∴ <RUS = 260
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