Parallel, Perpendicular, Intersecting Lines
Parallel Lines:
Lines that stay same distance apart are called parallel lines. They do not meet, howsoever far they are extended.
Perpendicular Lines:
Lines that meet each other at right angles are called perpendicular lines.
Intersecting Lines:
Lines that meet each other at a point are called intersecting lines.
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Help
The correct answer is
Remember :
The smallest number is the one that comes first while counting.
Solution :
To arrange the given numbers in order from smallest to greatest, find the smallest number among all the given numbers.
21,27,23
21 is the smallest number.