The accurate scale diagram shows a telephone box the box has a real width of 1 metre . Find a estimate for the real height in metres, of the telephone mast

21, i'm pretty sure it's right lol

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.