Question

which angle can be constructed without a protector​

Answer 1

Bisecting angles without a protractor

Place the compass on the vertex of the angle (point B). Draw an arc across each arm of the angle.

Place the compass on the point where one arc crosses an arm and draw an arc inside the angle.

Use a ruler to join the vertex to the point where the arcs intersect (D).

Answer 2

Answer:

90°

Step-by-step explanation:

A 90° can be drawn by joining two Straight lines(obviously perpendicular to each other)

Hope it helps