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October 23, 2014

October 23, 2014

Posted by **lindsay** on Tuesday, May 21, 2013 at 5:37am.

Find the length of each piece of wire

- math -
**Henry**, Wednesday, May 22, 2013 at 3:16pmcos72 = NP/MN = 4/MN

MN = 4/cos72 = 12.94 m. = Length of wire to point N.

tan72 = MP/NP = MP/4

MP = 4*tan72 = 12.31 m.

sin65 = MP/LM = 12.31/LM

LM = 12.31/sin65 = 13.58 m. = Length of

wire to point L.

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