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06-01-2018
Mathematics

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3. Points Q, R, and S are the midpoints of the sides of triangle LMN. LM = 16, QR = 6, and QS = 10. Find the length of LN. The diagram is not to scale.

32
12
20
22

3 Points Q R and S are the midpoints of the sides of triangle LMN LM 16 QR 6 and QS 10 Find the length of LN The diagram is not to scale 32 12 20 22 class=

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bdjuk99 bdjuk99

06-01-2018

qr=1/2 mn = ms
mn=2 ms=12
ln^2=lm^2+mn^2 using phythagoras rule
ln^2=400
ln=20

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