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AleksandrR [38]
3 years ago
14

I will try to give brainliest for the CORRECT answer​

Mathematics
1 answer:
Vanyuwa [196]3 years ago
6 0

Answer:

BC is 40.8

B° is 59.03°

C° is 30.96°

Step-by-step explanation:

classic pythagoras (a² + b² = c²)

35² + 21² = 1666

sqrt1666 = 40.8

you do tan(x) here because you want to find B° and only know the opposite and adjacent sides.

35/21 = 1.66...

tan-¹(1.66..) = 59.03°

you do tan(x) here because you want to find C° and only know the opposite and adjacent sides.

21/35 = 0.6

tan-¹(0.6) = 30.96°

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