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Lines that intersect at 90 degrees are perpendicular. In these worksheets, students identify parallel and perpendicular lines. All worksheets are printable pdf files.
In this set of printable worksheets for 3rd grade, 4th grade, and 5th grade kids are required to identify whether the pair of lines is parallel or perpendicular from the objects they are using in day-to-day life.
Perpendicular lines are lines that intersect to form 90^{\circ} angles (right angles). In diagrams, right angles are often marked with a small square at the point where the two lines intersect. This notation helps us to quickly identify them as perpendicular lines.
The two lines marked in red cross each other at one point. These are called intersecting lines. Intersecting lines cross or meet each other at a certain point. Intersecting lines form angles.
Two distinct lines intersecting each other at $90^{\circ}$ or at a right angle are called perpendicular lines. Example: Here, AB is perpendicular to XY because AB and XY intersect each other at $90^{\circ}$. Non-Example:
Improve your math knowledge with free questions in "Perpendicular lines" and thousands of other math skills.
Display the top portion of Parallel, Perpendicular & Intersecting Lines, keeping the rest of the over head covered for now. Ask students to pair-share any mathematical observations they can make about
