Straight cosine law question
solve
x^2 = 35^2 + 47^2 - 2(35)(47)cos 63
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?
2 answers
thank you very much.