38 rounds to 40.
29 rounds to 30.
40 x 30 = 120.
In this problem you use cosine because you know the hypotenuse and you want to know the adjacent side of the triangle. So in your calculator you would input cos(52). Then you would multiply that answer with the hypotenuse side. So your equation would be this: cos(52) x 13
The answer is the first one 6/7ab
1) a.30
3) complementary: 12 and 78
supplementary: 102 and 78
Answer:
rounding to the thousandths place, the answer is 0.714
Step-by-step explanation:
This can easily be looked up on google