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Solve for x. Round to the nearest tenth, if necessary.

X
60⁰
9
X
V
W

Solve for x. Round to the nearest tenth, if necessary. X 60⁰ 9 X V W-example-1
User Jim Webber
by
8.3k points

1 Answer

3 votes

Using a trigonometric relation we can see that x = 4.5

How to find the value of x?

Here we can see a right triangle, where we know the lenght of the hypotenuse, an angle, and we want to find the value of the adjacent cathetus of that angle.

Remember the relation:

cos(angle) = (adjacent cathetus)/hypotenuse

Then we can replace the things that we know:

cos(60°) = x/9

Solving for x:

x = 9*cos(60°)

x = 4.5

User Asher Johnson
by
7.0k points