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Margaret [11]
3 years ago
12

Find the measure of angle B in the figure below.

Mathematics
2 answers:
Damm [24]3 years ago
6 0
C is the answer hoped I help
lina2011 [118]3 years ago
5 0
Answer:

D. 63 degrees

Explanation:

We can use the Trigonometric ratio ‘Tan’ to get angle B (because you have all 3 lengths, you can use any ratio. I used tan because it didn’t make use of the decimal number).

TanB = opposite/adjacent
TanB = 4/2
TanB = 2
B = Tan^-1(2)
B = 63.43°

Your answer is D.

Please feel free to comment if you do not understand the use of ‘Tan^-1’
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Answer:

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We can use proportions to find both OC and RK.

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24OC=1152

OC=48

\frac{KC}{RK} =\frac{OK}{KY}

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12RK=1200

RK=100

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