Which of the following diagram shows perpendicular lines?
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Which of the following diagram shows perpendicular lines?
Remember that an angle is a straight line that forms a right angle of 90 degrees with another straight line.
In answer A, we can identify a right angle, therefore in diagram A there is an angle.
Determine which lines are parallel to one another?
Look for the small square symbol at the intersection point! This square indicates a 90-degree angle. Without this marker, you cannot assume lines are perpendicular even if they look like it.
All perpendicular lines intersect, but not all intersecting lines are perpendicular. Perpendicular lines must intersect at exactly 90 degrees, while other intersecting lines can meet at any angle.
Absolutely! Perpendicular lines can point in any direction as long as they meet at a 90-degree angle. The key is the right angle, not whether they're horizontal or vertical.
The shaded square is the right angle marker! It's a universal symbol in geometry that shows where two lines meet at exactly 90 degrees. This confirms the lines are perpendicular.
No! Perpendicular lines can be any length. What matters is that they intersect at a 90-degree angle, not their individual lengths.
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