Which pair of equations given is a result of constructing the altitude, h , in triangle ABC ?
Answer
A
sine cap A is equal to b over c sine cap c is equal to b over A
B
sine cap c is equal to h over A sine cap b is equal to b over A
C
sine cap A is equal to h over c sine cap b is equal to b over c
D
sine cap A is equal to h over c sine cap c is equal to h over A
Explanation
Drop the altitude from B to side AC. This forms two right triangles: one has hypotenuse c, giving sin A = h/c, and the other has hypotenuse a, giving sin C = h/a. These are the equations in choice B.
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