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4 years ago

9

Help meeeee for brainiest and 50 points

2 answers:

anyanavicka [17]4 years ago

8 0

Answer:

cosine 71 = adjacent / hypotenuse = 6.3 / BC

0.32557 = 6.3 / hypotenuse

hypotenuse = 6.3 / 0.32557

hypotenuse = 19.351

hypotenuse = 19.4 (to 3 significant figures)

Step-by-step explanation:

yaroslaw [1]4 years ago

4 0

Answer:

cosine 71 = adjacent / hypotenuse = 6.3 / BC

0.32557 = 6.3 / hypotenuse

hypotenuse = 6.3 / 0.32557

hypotenuse = 19.351

hypotenuse = 19.4 (to 3 significant figures)

Step-by-step explanation:

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