Using the sine ratio, Sin R = √2/3 = 0.47.
<h3>What is the Sine Ratio?</h3>
The sine ratio is given as, sin ∅ = length of the opposite side of the right triangle to the reference triangle / the length of the hypotenuse of the right triangle.
Given the following:
Reference angle (∅) = angle R
Length of opposite side = √2
Length of hypotenuse = RT = ?
Use the Pythagorean theorem to find the the hypotenuse, RT:
RT = √[(√2)² + (√7)²]
RT = √(2 + 7)
RT = √9
RT = 3
Using the sine ratio, find sin R:
Sin R = √2/3 = 0.47.
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The equation is 20x = 1200
x=1200÷20
x=60 rows
Answer:
2
Step-by-step explanation:
20/2 = 10
4/2 = 2