If an angle is 3 times its complement, what is the angle?

Let the angle be $x^\circ$.
Its complement is $(90 - x)^\circ$.

According to the question, the angle is 3 times its complement.

So,
$x = 3(90 - x)$

$x = 270 - 3x$

$4x = 270$

$x = 67.5^\circ$

Answer: The angle is $67.5^\circ$.