To divide two fractions, first rewrite the problem as the dividend times the of the divisor.

Then to divide two fractions, first rewrite the problem as the dividend times the _inverse_ of the divisor.

if i'm not wrong, i would say that the third angle has (72) because the three sides of all triangles have 180 degrees and if we subtract 180 - 62 - 40 = (72) / but i'm not sure about 40 yd.