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tester [92]
3 years ago
9

Please help ive been stuck on this problem for so long ! T_T

Mathematics
1 answer:
NISA [10]3 years ago
8 0

Answer:

b = 128.3 inches

Step-by-step explanation:

We know Angle A is 41° and the HYPOTENUSE (the longest side) is 170. We're looking for side b, which is the ADJACENT side (adjacent means next to, like it's literally a part of the angle A) The trig function that puts together ADJ and HYP is the cosine function.

cos 41 = ADJ/HYP

cos 41° = b/170

170cos 41° = b

You need a calculator to get a value for cos 41°. You could put in the entire 170cos41° into a calculator all at once.

128.3 = b

b = 128.3 inches

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