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Mathematics

1 answer:

elena-s [515]1 year ago

6 0

The missing side and angles are 16.8 , 23.33 degree and 123.7 degree respectively.

<h3>What is a Triangle ?</h3>

Triangle is a polygon with three sides , three angles and three vertices.

Given is triangle ABC , with sides a = 8, c = 11, and m∠C=33 degree

The missing angle and side is given by Cosine rule of triangle

c² = a² + b² - 2ab cosC

11² = 8² + b² - 2* 8 * b * cos 33

57 = b² -13.42 b

b² -13.42b -57 = 0

b = 16.8

By sine rule

a / sin A = b/sin B = c/sinC

8 / sin A = 11 / sin 33

A = 23.33 degree

Similarly

B = 123.7 degree

Therefore the missing side and angles are 16.8 , 23.33 degree and 123.7 degree respectively.

To know more about Triangle

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notka56 [123]

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No.

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Multiply 3 to both the numerator & denominator of 8/20

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2 years ago

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Step-by-step explanation:

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