annethelusma25
21.06.2021 •
Mathematics
Can you help on 1-7 Ik it’s a lot but it’s for a test please I beg someone, and no need for explanation, just make it quick, thank you so much
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Ответ:
Let x = the unknown angle
sine of an angle is measure of the opposite leg divided by the hypotenuse.
sin x = 10/21
To now solve for x, we so the inverse of sine.
sin⁻¹(10/21) = x
Plug this into your calculator.
x ≈ 28.44 degrees. This would round down to 28 degrees, option B is your answer.