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Please answer this question now correct

Please answer this question now correct
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3 votes
Please answer this question now correct

Please answer this question now correct-example-1
User Cronoklee
by
7.9k points

1 Answer

2 votes

Answer:

Explanation:

cosine law

a²=b²+c²-2(bc)cos44 (c=20, b=15)

a²=15²+20²-2(15*20)cos44

a=√15²+20²-2(15*20)cos44

a=13.91

User Chamod Rathnayake
by
8.0k points
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