Question

What is the value or x?

Answer 1

From the given figure

`\cos x=(XY)/(XZ)`

Since XY = 5.1 and XZ = 7.7, then

`\cos x=(5.1)/(7.7)`

To find x, use the inverse of cos

`x=\cos ^(-1)((5.1)/(7.7))`

Use the calculator to find x

`x=48.522`

The answer is