Unit 5 Test Answers
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21
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Which statements regarding the diagram of ΔEBC are true? Select three options.
A
∠BEC is an exterior angle.B
∠DEC is an exterior angle.C
∠ABE and ∠EBC are supplementary angles.D
∠BCF and ∠DEC are supplementary angles.E
∠BEC is a remote interior angle to exterior ∠BCF.22
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If , which of the following represents approximate values of and , for ?
A
sine theta almost-equals 0.9511; tangent theta almost equals 0.3249
B
sine theta almost-equals 0.9511; tangent theta almost equals 3.0780
C
sine theta almost-equals 3.2362; tangent theta almost-equals 0.0955
D
sine theta almost-equals 3.2362; tangent theta almost-equals 10.4731
23
The equation can be used to find the length of .
A
19.3 in.B
21.3 in.C
23.5 in.D
68.0 in.24
Triangle D E F is shown. Angle F D E is a right angle. The length of D E is 40, the length of D F is 9, and the length of hypotenuse F E is 41.
A
StartFraction 9 Over 41 EndFraction
B
StartFraction 40 Over 41 EndFraction
C
StartFraction 40 Over 9 EndFraction
D
StartFraction 41 Over 9 EndFraction
25
Three trigonometric functions for a given angle are shown below.What are the coordinates of point (x, y) on the terminal ray of angle , assuming that the values above were not simplified?
A
(–5, 12)B
(5, –12)C
(–12, 5)D
(12, –5)Did you find these answers helpful?
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