Unit Test — Unit test Answers
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Which expressions can be used to find m∠ABC? Select two options.
A
cos−1
B
cos−1
C
cos−1
D
sin−1
E
sin−122
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Triangle J K M is shown. Angle J M K is a right angle. The length of hypotenuse K J is a, the length of J M is b, and the length of K M is c.
A
a is the hypotenuse, b is adjacent, c is oppositeB
a is the hypotenuse, b is opposite, c is adjacentC
a is adjacent, b is opposite, c is the hypotenuseD
a is opposite, b is the hypotenuse, c is adjacent23
Find the length of . Use that length to find the length of .
A
2.3 cmB
4.0 cmC
10.7 cmD
18.6 cm24
Triangle X Y Z is shown. Angle X Z Y is a right angle. The length of Z X is b, the length of Z Y is a, and the length of hypotenuse X Y is c.
A
a is opposite, b is adjacent, c is the hypotenuseB
a is the hypotenuse, b is opposite, c is adjacentC
a is adjacent, b is the hypotenuse, c is oppositeD
a is adjacent, b is opposite, c is the hypotenuse25
Triangle G E F is shown. Angle G E F is a right angle. The length of hypotenuse F G is 14.5 and the length of F E is 11.9. Angle B F E is theta.
A
cos−1 = θ
B
cos−1 = θ
C
sin−1 = θD
sin−1 = θDid you find these answers helpful?
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