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minmacurafinaa
30.08.2020 •
Mathematics
Please solve this for me
I’m dumb I know please do it
No wrong answer or Bots or else I’ll report
Solved
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Ответ:
Step-by-step explanation:
1a. 7000m 1b. 10mm
2a. 1000cm 2b. 2m
3a. 6km 3b. 3km
4a. 2km 4b. 9m
5a. 6cm 5b. 7m
6a. 9cm 6b. 9km
7a. 4km 7b. 5km
8a. 8km 8b. 30mm
9a. 70mm 9b. 3m
10a. 2cm 10b. 10cm
Ответ:
5.3 (Approx)
Step-by-step explanation:
Use 'SOH CAH TOA'
Sin=Opp/Hyp
Cos=Adj/Hyp
Tan=Opp/Adj
First, lets find angle CAD. CAD has an opposite and hypotenuse, which fits the criteria for sin (sin = opp/hyp).
Use the sin button on your calculator.
The equation is now:
sin(theta) = 3.2 / 5.1
Rearrange the equation so it is:
theta = sin^-1 (3.2/5.1)
Then, find theta.
Theta = approximately 68 degrees.
Now, we know what theta is, and on the right side of triangle, we now know the opposite of theta. Since we are trying to find AB, which is the hypotenuse of the triangle, we can say that:
sin(theta) = 3.6 / hyp (keep in mind we have already found theta)
Now, rearrange the equation to find hyp.
hyp = sin^-1 (3.6 / theta) theta = 68
hyp = 5.3 approximately
AB = 5.3 approx.