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 right angle.
It is an isosceles triangle.
An equilateral triangle has three sides of equal length.
An isosceles triangle has two sides of equal length.
-- The rhombus has four sides. -- All four of its sides are equal in length. -- Its opposite sides are parallel. -- The sum of its interior angles is 360 degrees. -- Its opposite angles are equal. -- Its diagonals are perpendicular and bisect each other. A rhombus with all 4 angles equal (at 90°) is called a square (which is a special kind of rectangle in which all 4 sides are of equal length); thus some rhombuses are rectangles (and some rectangles are rhombuses).
Segments of equal length are congruent segments.
congruent
a triangle has 3 line segments u are
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Perpendicular line segments intercept each other at 90 degrees which is a right angle.
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Straight ones... Not truly lines, but segments
Parallel lines.
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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