3 years ago

What’s the value of x?

Mathematics

2 answers:

kodGreya [7K]3 years ago

6 0

Answer:

x = 29.1m

Step-by-step explanation:

X= 71 x =

Y = y = 28.2 m

Z = z = 20.9 m

$x^{2} = y^{2} + z^{2} - 2yz cos x\\(28.2 )^{2} + (20.9)^{2} - 2(28.2 )(20.9) cos (71)\\795.24 + 436.81 - 1178.76cos(71)\\1232.05 - 1178.76 cos (71)\\{1232.05-383.767}\\\\\sqrt{x^{2} } = \sqrt{1232.05 - 383.767}\\ x = 29.1$

faust18 [17]3 years ago

5 0

Answer:

Step-by-step explanation:

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