Question

what is the value of n?

Explanation:

Step1: Assume it's a right - angled situation

If the larger angle and $n$ together form a right - angle (90°), we use the angle - subtraction principle.

Step2: Calculate the value of $n$

$n = 90^{\circ}-64^{\circ}$
$n = 26^{\circ}$

Answer:

$26$