Classify the 76° according to magnitude.
Acute angles are those angles whose measure is greater than 0°and smaller than 90°.
Here 76° is greater than 0°but less than 90°.
so, 76° is an acute angle.
Classify the 180° according to magnitude.
Classify the following triangles as acute, right or obtuse-angled triangles according to the magnitude of their angles.
67°,29°,84°
Classify the real number: -76.