Calculate the side lengths a and b to two decimal places

Asked by maham237 @ 25/12/2020 in Mathematics viewed by 328 People

Answered by maham237 @ 25/12/2020

Missing angle: 180 - 107 -50 = 23 degrees

a = a/ sin(50) = 8/sin(23)

a(sin(23) = 8sin(50)
a*0.3907 = 6.1284
a = 6.1284 / 0.3907 = 15.68

since there is only one answer that has that value for a

the answer is A

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Asked by maham237 @ 25/12/2020 in Mathematics viewed by 381 persons

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