AnswersGeometry Sem 2 25-26Unit Test

Unit Test — Unit test Answers

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21
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Law of cosines: a2 = b2 + c2 – 2bccos(A)

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A
34°
B
41°
C
51°
D
56°
22
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Two teams are pulling a heavy chest, located at point X. The teams are 4.6 meters away from each other. Team A is 2.4 meters away from the chest, and Team B is 3.2 meters away. Their ropes are attached at an angle of 110°.Law of sines:

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A
StartFraction sine (uppercase A) Over 2.4 EndFraction = StartFraction sine (110 degrees) Over 4.6 EndFraction
Option A
B
StartFraction sine (uppercase A) Over 4.6 EndFraction = StartFraction sine (110 degrees) Over 2.4 EndFraction
Option B
C
StartFraction sine (uppercase A) Over 3.2 EndFraction = StartFraction sine (110 degrees) Over 4.6 EndFraction
Option C
D
StartFraction sine (uppercase A) Over 4.6 EndFraction = StartFraction sine (110 degrees) Over 3.2 EndFraction
Option D
23

The diagonal of rectangle ABCD measures 2 inches in length.

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A
1 inch
B
inches
Option B
C
4 inches
D
inches
Option D
24

Law of sines:

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A
15°
B
30°
C
45°
D
60°
25

Triangle ABC is a right triangle and cos(22.6o)=. Solve for b and round to the nearest whole number.

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A
tan(22.6o) =
Option A
B
tan(22.6o) =
Option B
C
tan(22.6o) =
Option C
D
tan(22.6o) =
Option D

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