Question

The measures of two angles of a triangle are 23 degrees,and 67 degrees.is the triangle acute,right,or obtuse?

Answer 1

Trick question — it’s a right triangle.  Here’s why:
23 + 67 = 90.  All triangles have an interior angle sum of 180.  180 - 90 = 90.  90 degrees is right, and therefore, having a right angle, this is a right triangle.