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State whether you would use similar triangles, The primary trigonometric ratios (sine, cosine, tangent) , sine law or cosine law to find the missing value.

State whether you would use similar triangles The primary trigonometric ratios sine cosine tangent sine law or cosine law to find the missing value class=

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mberisso

Answer:

I would use similar triangles

Step-by-step explanation:

There is no angle (apart from the right angle) given in the problem. so in order to find the side "x", in one step calculation, I would use similar triangles and the equation that comes from the proportion among the similar sides:

[tex]\frac{x}{20} =\frac{5}{7}[/tex]

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