pratu043
If S is any point in the interior of triangle PQR then prove that SQ + SR < PQ + QR.
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pratu043
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|dw:1345956288365:dw|
pratu043
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someone please help!!
pratu043
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please!!!
mukushla
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sorry can u check it plz... i have some doubt on it
SQ + SR < PQ + QR
or
SQ + SR < PQ + PR
pratu043
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sorry its SQ + SR < PQ + PR.
jiteshmeghwal9
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Does it help @pratu043 ??? \[\LARGE{s=90^o+{1 \over 2} \angle a}\]
SNSDYoona
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was wondering if i could use vectors to proof it? or u want basic trigonometries?
TheMind
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the perimeter of tri PQR > the perimeter of tri SQR because S is inside PQR.
in other word PQ+QR+PR > SQ+QR+SR
take out the positive amount QR from both side
PQ+PR > SQ+SR
pratu043
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Thank you @TheMind