Right Triangle Trigonometry Answers
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1
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The sides of which diagram are correctly labeled with respect to angle A?
A
A right triangle is shown. Angle A is opposite to the side labeled adjacent.
B
A right triangle is shown. Angle A is opposite to the side labeled opposite. The hypotenuse is opposite to the right angle.
C
A right triangle is shown. Angle A is opposite to the side labeled opposite. The side labeled adjacent is opposite to the right angle.
D
A right triangle is shown. Angle A is opposite to the side labeled hypotenuse. The side labeled adjacent is opposite to the right angle.
2
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What is the approximate degree measure of angle A in the triangle below?
A
37.9B
38.9C
51.1D
52.13
In the right triangle below, tanA = 0.45. What is the approximate length of AB?
A
10 unitsB
13 unitsC
20 unitsD
22 units4
In the triangle below, which is equivalent to sinA?
A
sinCB
sinBC
cosAD
cosC5
What is the measure of angle A in the triangle below?
A
30°B
45°C
60°D
90°6
The hypotenuse of an isosceles triangles measures 10 inches long. What is the length of one leg of the triangle?
A
StartFraction 10 Over StartRoot 3 EndRoot EndFraction
B
StartFraction 10 Over StartRoot 2 EndRoot EndFraction
C
10 StartRoot 2 EndRoot
D
10 StartRoot 3 EndRoot
7
Which equation can be used to find B in the triangle below?
A
tangent B = Eight-tenths
B
Tangent B = eight-sixths
C
cosine B = Ten-sixths
D
Cosine B = ten-eighths
8
What is the reciprocal of tanB in the triangle below?
A
tanCB
tanAC
tan-1CD
tan-1A
10
In the triangle below, represents which ratio?
A
sinCB
sinBC
cosCD
tanBDid you find these answers helpful?
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