How do you find 12.54 as a fraction

Write 12.54 as 12.54/1. Multiply both numerator and denominator by 10 for every number after the decimal point
12.54 × 100/1 × 100 = 1254/100. Reducing the fraction gives
627/50. Idk if this is actually right, but here you go. 

Hello! i hope this
since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.