UPSKILL MATH PLUS
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Learn moreDraw a line perpendicular to the given line at a point on a line.
Step 1: Draw a line PQ.
Step 2: Take a point R anywhere on the line PQ.
Step 3: Place the set square on the line in such a way that the vertex which forms right angle coincides with R and one arm of the right angle coincides with the line PR.
Step 4: Draw a line RS through R along the other arm of the right angle of the set square.
Step 5: The line RS is perpendicular to the line PQ at R. That is, RS \perp PQ and \angle SRP = \angle SRQ = 90°.
Draw a line perpendicular to the given line through a point above it.
Step 1: Draw a line AB.
Step 2: Take a point P anywhere above the line AB.
Step 3: Place one of the arms of the right angle of a set square along the line AB and the other arm of its right angle touches the point P.
Step 4: Draw a line PR through P along the other arm of the right angle of the set square.
Step 5: The line PR is perpendicular to the line AB at R. That is, PR \perp AB and \angle PRA = \angle PRB = 90°.
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