Question

which angle in the shape is acute? ∠r ∠t ∠q ∠s

Explanation:

Step1: Recall acute - angle definition

An acute angle is an angle that measures less than 90 degrees.

Step2: Analyze angles in the shape

$\angle Q$ is a right - angle (90 degrees). $\angle T$ and $\angle R$ are obtuse angles (greater than 90 degrees). $\angle S$ is less than 90 degrees.

Answer:

$\angle S$