CBSE Class 9 Answered
In
fig., if QT
PR, 
TQR = 40° and SPR = 30° find the value of x and y.
PR, TQR = 40° and SPR = 30° find the value of x and y.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
Consider 
QTR
TQR + QTR + R = 180o
(Sum of angle of a triangle in 180o)
40o + 90o + R = 180o
R = 50o
Now ,Consider PRS
y = SPR + x
(Exterior angle is equal to sum of interior angles)
y = 30o+50o
=80o
Hence, x=50o, y=80o
Answered by | 04 Jun, 2014, 03:23: PM
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