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Which of the following equations models the relationship of angle A to the length of the line segment BC in the figure below.

Which of the following equations models the relationship of angle A to the length of the line segment BC in the figure below.
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4 votes
Which of the following equations models the relationship of angle A to the length of the line segment BC in the figure below.

Which of the following equations models the relationship of angle A to the length-example-1
Which of the following equations models the relationship of angle A to the length-example-1
Which of the following equations models the relationship of angle A to the length-example-2
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User Rimsky
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1 Answer

5 votes
Let the line segment BD be x, then sin A = x/15
or, x = 15sinA
Also
y^(2) = x^(2) + (25)^(2) \\ = (15sinA)^(2) + 625 \\ =225 sin^(2) A+625 \\ y= \sqrt{225 sin^(2) A+625}
The last option
answered
User Justinpawela
by
8.8k points
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