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What’s the value of x?

What’s the value of x?-example-1
User Mags
by
4.7k points

2 Answers

2 votes

Answer:

D

Explanation:

User Taranttini
by
4.8k points
2 votes

Answer:

x = 29.1m

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) } = √(1232.05 - 383.767)\\ x = 29.1

User Junior Vilas Boas
by
4.4k points