in triangle pqr St pehle q r p s upon x cube is equal to 3 by 5 and PR is equal to 33 CM then find the length of PT
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Answer:
ST∥QR [ Given ]
∴
PQ
PS
=
PR
PT
[ By BPT ]
⇒
SQ
PS
=
5
3
and PR=28cm [ Given ]
⇒
PS
SQ
=
3
5
⇒
PS
SQ+PS
=
3
5+3
∴
PS
PQ
=
3
8
⇒
PQ
PS
=
8
3
⇒
PQ
PS
=
PR
PT
⇒
8
3
=
28
PT
⇒ PT=
8
28×3
∴ PT=10.5cm
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