a triangle has 3 line segments u are
Straight ones... Not truly lines, but segments
A "right" triangle, so called because it contains a "right angle".
Pyramids and cones are both kind of similar but also very different. You can say that the cone has no vertex (something that may be confusing because of what a book says) but a cone really does not have any vertex because there are no line segments or faces that are only faces (the circle is both a base and a face) You can say they are similar because they both have only one base Hope this helped - Harry
a scalene triangle
congruent
Segments of equal length are called congruent segments. You can identify them by congruency marks. congruency marks look like this on your line: ---l-----------l---
a triangle has 3 line segments u are
its a switch
Perpendicular line segments intercept each other at 90 degrees which is a right angle.
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bathroom wall, window
Straight ones... Not truly lines, but segments
Parallel lines.
By definition, any lines/segments that are perpendicular to each other either do, or (in the case of non-intersecting segments) would, intersect each other at right angles. A right angle being a 90* angle. Therefore, perpendicular, intersecting line segments will form 4 90* angles.
Right Angle
Straight line segments