Points, Lines, Angles, and Planes Exercises

Answer

m∠KLO = 60°

Answer

The two perpendicular lines are PQ (also PO or OQ) and KR (also KO or OR) because they form a right angle (∠KOQ).

Answer

Obtuse angles are angles with measurements greater than 90°. We know ∠LOQ is an obtuse angle because it contains within it ∠KOQ, which is already a right angle.

Answer

m∠POR = 90°

Answer

Boom: ∠LOK is an acute angle because it's less than 90°.