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A single slash perpendicular to the line is used to show it is congruent. In other words, if two segments are congruent they would both have a single slash through them, but if you have multiple pairs, each separate pair would have its own unique number of slashes (1,2,3...).
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What is the matching angle mark to indicate which angles are congruent For line AB and CD?
To indicate that angles are congruent, matching angle marks such as arcs or hash marks are typically used. For angles formed by lines AB and CD, you would place the same number of arcs or hash marks in each angle that you want to show as congruent. For example, if angles ∠1 and ∠2 are congruent, you might place one arc in both angles to signify their equality.
What does word indicate a null expression with?
two quotation marks
In early notation the small marks used to indicate melodic pitches sung over a single syllable were called?
Nuemes
How do you divide a triangle into congruent triangles?
The following is a simple way to divided any triangle into n^2 congruent triangles (n > 1):Divide each side of the triangle into n equal parts,Select a pair of lines and join pairs of the above division marks with lines which will be parallel to the third side.Repeat step 2 with the other two pair of lines.
How tracing helps find the line symmetry?
Trace the figure. Then turn the tracing paper over so that the pencil marks are on the opposite side of the paper. If you can find a position in which the original figure and the inverted trace match up, you have a line of symmetry.
