8.8 because you need to multiply 1.68 by 10 which is 16.8-8=8.8
Answer from: Quest
b is 38 degrees.
a is 52 degrees.
this is because if b is 38 and a is 14 degrees more than b than 38+14=52 and 52+38=90 degrees. hope this .
Answer from: Quest
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.
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