CBSE Class 12-science Answered
Plz solve it sir
In triangle PQR, angle QPR = α and angle PQR = β, where α < β. The line RM bisects angle PRQ and RN is the perpendicular from R to the line PQ. What is the size in degrees of angle MRN ?
Asked by Soma | 21 Feb, 2019, 04:23: PM
Expert Answer
PRM = (1/2) [ 180 -α -β ] = 90 -(1/2)(α+β)RMN = α + PRM = α +90 -(1/2)(α+β) = 90+(1/2)(α -β)MRN = 90 - RMN = 90 -90 -(1/2)(α -β) = (1/2)(β - α)
Answered by Thiyagarajan K | 21 Feb, 2019, 11:36: PM
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