Calculate the length b to two decimal places. 15 106° 12 B

Tim Tharratt asked Feb 15, 2023

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34 votes

Calculate the length b to two decimal places.
15
106°
12
B

Tim Tharratt asked Feb 15, 2023

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13 votes

Answer:

Explanation:

Using law of cosines,
b^2=c^2+a^2-2accosB
b=√(144+225-2*12*15*cos106)
b=√(369+99.23)
b=√468.23
b=21.64

Kyshia answered Feb 22, 2023

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