If r=10 and s=31, find R. Round to the nearest tenth.
2 answers:
Answer:
C. R = 17.9 degrees
Step-by-step explanation:
We have a rectangle triangle with the adjacent side and the opposite side (neither of which are the hypotenuse).
The relation between those elements is the tangent:

So, to isolate the angle, we modify the formula as such:

If we round 17.87 degrees to the tenth... we get 17.9 degrees.
Answer:
The correct answer is option c. 17.9°
Step-by-step explanation:
From the figure we can see that a right angled triangle RST.
Right angled at T
<u>To find the value of R
</u>
It is given that,
r=10 and s=31
Tan R = Opposite side/Adjacent side
Tan R = ST/SR = r/s = 10/31 = 0.3225
R = Tan⁻¹(0.3225) = 17.87 ≈ 17.9°
Therefore the correct answer is option c. 17.9°
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