Homework Help: math

Posted by deborah on Thursday, March 25, 2010 at 11:08am.

A triangular lot sits at the corner of two streets that intersect at an angle of 63 degrees. One street side of the lot is 35m and the other is 47m. how long is the back of the lot, to the nearest metre?

math - Reiny, Thursday, March 25, 2010 at 11:19am
Straight cosine law question

solve

x^2 = 35^2 + 47^2 - 2(35)(47)cos 63
math - deborah, Thursday, March 25, 2010 at 12:48pm
thank you very much.

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