Question

In the Set Square method for constructing a perpendicular at a point C on AB, which specific part of the set square must be aligned exactly on point C?

Options

• The middle point of the  90°edge.

• The edge opposite the  90° angle.

• The vertex of the  90° corner.

• The entire length of the longest edge.

Answer 1

The vertex of the  90° corner.

Explanation: 

The vertex of the right angle must be placed precisely on the point C to ensure the drawn line is perpendicular.