Question

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

Explanation:

Step1: Recall acute - angle definition

An acute angle is an angle whose measure is less than 90 degrees.

Step2: Observe the angles in the shape

By visual inspection of the quadrilateral QRTS, ∠S appears to be less than 90 degrees. The other angles ∠Q, ∠T, and ∠R seem to be either right - angles or obtuse - angles.

Answer:

∠S