Question

4, 3x°, 60°, angle pairs with equations

Explanation:

Step1: Set up sum to 90°

$\angle 3x + 60^\circ = 90^\circ$

Step2: Isolate the term with $x$

$3x = 90^\circ - 60^\circ$

Step3: Calculate and solve for $x$

$3x = 30^\circ$
$x = \frac{30^\circ}{3}$

Answer:

$x = 10^\circ$