Question

what is the name of the angle that is complementary to angle VST and what is its measure?

Answer 1

Complementary angles have a sum of 90 degrees.

From the figure, the complementary angle of angle VST is angle USV.

And the measurement of this angle is :

$\begin{gathered} \angle\text{USV}+\angle\text{VST}=90 \\ \angle\text{USV}+76=90 \\ \angle\text{USV}=14 \end{gathered}$

The answer is 14 degrees