CBSE Class 9 Answered
In
figure, if PQ||RS, 
ACS = 117o then find (x - y).
ACS = 117o then find (x - y).
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
60o + y = 117o (alternate interior angle as PQ||RS)
y = 117o - 60o = 57o
Again, x + y = 117o (exterior angle theorem)
x = 117o - 57o
x = 60o
x - y = 3o
Answered by | 04 Jun, 2014, 03:23: PM
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