Question

In triangle PQR ray QS is a bisector of triangle PQR PQ=12cm, PS=6cm,SR=9cm find QR
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Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

$Using angle bisector theorem, </p><p></p><p></p><p>SQPS=QRPR</p><p></p><p></p><p>⇒86=QR24</p><p></p><p></p><p>⇒QR=624×8=4×8=3</p><p></p><p>$

Using angle bisector theorem,

SQ

PS

=

QR

PR

⇒

8

6

=

QR

24

⇒QR=

6

24×8

=4×8=3