Urgent

Asked by vidhibajpai | 13th Oct, 2009, 04:11: PM

Expert Answer:

QTR

=180-{TQR+TRQ].... angle sum property

=180-{1/2(PQR)+PRQ+PRT}]

=180-{1/2(PQR)+PRQ+1/2(PRS}...RT is bisector

=180-{1/2(PQR)+PRQ+1/2(180-PRQ)}

=180-1/2{PQR+PRQ+180}

=180-1/2{180-QPR+180}

=1/2{QPR}

 

Answered by  | 14th Oct, 2009, 10:41: AM

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