Question

1. what kind of angle is formed when two perpendicular lines intersect? right angle obtuse angle acute angle straight angle

Explanation:

By definition, perpendicular lines intersect at a 90 - degree angle, which is a right - angle. Acute angles are less than 90 degrees, obtuse angles are greater than 90 degrees but less than 180 degrees, and straight angles are 180 degrees.

Answer:

Right angle