As part of constructing a right triangle, Andrew drew a line segment and plotted one vertex of the triangle on the line segment. He then constructed a line perpendicular line segment that passes through the plotted vertex. With the vertex as the center, he drew a large arc to create a 180 degree angle. How can Andrew ensure that the other two points he plots will represent the remaining two vertices of a right triangle?

Question

As part of constructing a right triangle, Andrew drew a line segment and plotted one vertex of the triangle on the line segment. He then constructed a line perpendicular line segment that passes through the plotted vertex. With the vertex as the center, he drew a large arc to create a 180 degree angle. How can Andrew ensure that the other two points he plots will represent the remaining two vertices of a  right triangle?

anonymous · Answer

A Plot both points on the arc.
B Plot one point to the left of the perpendicular line and the other to the right.
C Plot one point on the perpendicular line and the other away from the perpendicular line.
D Plot both points on the perpendicular line.