Folding perpendicular to a slanting crease creates four right angles at the intersection. Each measures 90 degrees because the creases divide the plane into four equal quadrants, confirming their geometric definition as right angles.
Class 6 Mathematics Chapter 2 Lines and Angles question answer
Class 6 NCERT Ganita Prakash Chapter 2 Lines and Angles
When you fold a perpendicular crease to an existing slanting one, four right angles form at the intersection. This happens because the folds divide the plane into four equal quadrants. The perpendicular folds create angles that meet the geometric definition of right angles, measuring exactly 90 degrees. To ensure accuracy, check the alignment of edges, confirming the perpendicularity and precision of the folds.
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