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Other option B: 74.9 C: 15.1 D: 15.7
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7 votes
Other option
B: 74.9
C: 15.1
D: 15.7

Other option B: 74.9 C: 15.1 D: 15.7-example-1
User JJ Rohrer
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1 Answer

5 votes

Explanation:

cosine of B = adjacent/hypot

to find hypotenuse use a^2+b^2 = c^2

which is 5 (it's a 3,4,5 triangle so it's easy)

Cosine B= 4/5

User Alferd Nobel
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