CalCDanG

06.05.2020 • 

Mathematics

Trigonometric ratios in right triangles
Problem

Find \sin(\alpha)sin(α)sine, left parenthesis, alpha, right parenthesis in the triangle.
Choose 1
Choose 1

(Choice A)
A
\dfrac{12}{35}
35
12

start fraction, 12, divided by, 35, end fraction

(Choice B)
B
\dfrac{12}{37}
37
12

start fraction, 12, divided by, 37, end fraction

(Choice C)
C
\dfrac{35}{12}
12
35

start fraction, 35, divided by, 12, end fraction

(Choice D)
D
\dfrac{35}{37}
37
35

Ответ:

Andrewecolt1993

21.04.2020

Mathematics

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Since they are directly proportional, you can set it up as a proportion. I'm going to keep the y's on top and the x's on bottom, so 2/3 = y/9
Cross multiply and you get 18 = 3y
Divide both sides by 3 and you get 6 = y
y=6
Hope this helped(:

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