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Ostrovityanka [42]
4 years ago
7

In triangle ABC, find B, to the nearest degree, given a = 7, b = 10, and C is a right angle.

Mathematics
2 answers:
padilas [110]4 years ago
5 0

Answer:

55°

Step-by-step explanation:

Since ΔABC is right we can use the tangent ratio to find ∠B

tanB = \frac{opposite}{adjacent} = \frac{10}{7}, hence

B = tan^{-1}(\frac{10}{7}) = 55°


Alexxandr [17]4 years ago
5 0

The correct answer is D 55.

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