AnswersPA-Geometry B-CRSpecial Right Triangles

Solving for Side Lengths of Right Triangles Answers

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Which equation can be used to solve for b?

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A
tan(30o) =
Option A
B
tan(30o) =
Option B
C
tan(30o) =
Option C
D
tan(30o) =
Option D
2
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Find the length of . Use that length to find the length of .

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A
2.3 cm
B
4.0 cm
C
10.7 cm
D
18.6 cm
3

Which equation can be used to solve for b?

Question illustration
A
b = (8)tan(30o)
B
b =
Option B
C
b = (8)sin(30o)
D
b =
Option D
4

Which relationship in the triangle must be true?

Question illustration
A
sin(B) = sin(A)
B
sin(B) = cos(90 – B)
C
cos(B) = sin(180 – B)
D
cos(B) = cos(A)

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