jfswag05 jfswag05

14-01-2022
Mathematics

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What is the value of x?
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dt33183 dt33183

17-01-2022

Answer:

x = 6

Step-by-step explanation:

Triangle BCD: cos(60) = x/BC => BC = x/cos(60)

Triangle ABC: sin(45) = BC/6√2 => BC = (6√2)sin(45)

so x/cos(60) = (6√2)sin(45)

x/(1/2) = (6√2)(√2/4)

x/2 = 12/4

x = 2(3)

x = 6

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