Question

What is the value of x in this triangle?

Enter your answer as a decimal in the box. Round only your final answer to the nearest hundredth.

x = °

Answer 1

x ≈ 42,15°

Explanation:

Use trigonometry:

`\cos(x°) = (43)/(58)`

Use the reverse function (SHIFT, cos (43/58)) to find the approximate value of x:

`x≈42.15°`