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Luda [366]
2 years ago
12

Please help me answer this question. I dont understand any of this.. I will mark brainliest.

Mathematics
2 answers:
UkoKoshka [18]2 years ago
7 0

Answer:

A = 77.32

Step-by-step explanation:

Since this is a right triangle we can use trigonometric functions

sin  = opposite side/ hypotenuse

sin A =  80/82

sin A =40/41

Take the inverse sin of each side

sin^-1 (sin A ) =sin ^-1 (40/41)

A =77.31961651

Rounding to the nearest hundredth

A = 77.32

defon2 years ago
3 0

Answer:

77.32°

Step-by-step explanation:

Using cosine law:

80² = 18² + 82² - 2(18)(82)cos

cosA = 9/41

A = 77.31961651°

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To calculate it you would multiply 340 by π/180 because if graphed, 340 degrees is located in the first quadrant.

I hope this helps! :)

5 0
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Please somebody else help me to do . I will mark the correct answer as a brainiest​
vodomira [7]

there is your answer follow and mark me as <em><u>brainliest </u></em>

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B

Step-by-step explanation:

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Graphs are used to represent real life situations

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Read more about graphs and points at:

brainly.com/question/14323743

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alukav5142 [94]
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