CBSE Class 9 Answered
In triangle PQR, if 
P - Q = 42o and Q - R = 21o, find P, Q and R.
P - Q = 42o and Q - R = 21o, find P, Q and R.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
P - Q = 42o and Q - R = 21o
P = 42o + Q and R =Q - 21o Now, P +42o + Q + R. = 180o
P +42o + Q + R. = 180o 42o + Q + Q + Q - 21o = 180o 3Q = 180o – 21o = 159o
Q = 53o P = 42o + 53o = 95o R =53o - 21o = 32oHence, P = 95o, Q = 53o and R = 32o
P = 95o, Q = 53o and R = 32o
Answered by | 04 Jun, 2014, 03:23: PM
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