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averylorenhoffman
15.07.2019 •
Mathematics
Urgent needed w/ right triangle trig
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Ответ:
First, we need to find the other sides. Since 30° is given to us, we can use sine and cosine to figure out the other side.
To find the side opposite to the angle, we use sine, which is opposite/hypotenuse. It is given that the hypotenuse is 12, so therefore:
sin(30°)=x/12
x = 12sin(30) = 6
To find the side adjacent to the angle, we use cosine, which is adjacent/hypotenuse. Since hypotenuse is 12, we get:
cos(30°)=x/12
x = 12cos(30) = (12√3)/2 = 6√3
Therefore, the perimeter of the triangle is 12+6+6√3 = 18+6√3
Ответ:
sin 30° = 1/2 = opposite/ hypotenuse.
Given that hypotenuse " c " = 12
Then Length of side opposite to 30 ° = 12/2 = 6
cos 30° = √3/2 = adjacent / hypotenuse.
adjacent = √3 . 12 / 2 = 6√3
Therefore perimeter = 12 + 6 + 6√3 = 18 + 6√3
Ответ:
To find:
Round $43,569.14 the nearest dollar
Solution:
The number after the decimal is less than 50. So, the amount $43,569.14 rounded to the nearest dollar is $43,569.
Thus, the answer is $43569.