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Geometry and Measurement Videos 36 videos

TSI Math: Calculating Segment Length with the Distance Formula
6 Views

How long is the line segment connecting the points (-6, 7) and (5, -4)?

TSI Math: Identifying a Line's Bisector on a Graph
1 Views

Any line that bisects the segment shown above must pass through which point?

TSI Math: Working Backwards from the Midpoint Formula to Find an Endpoint
13 Views

Point B is the midpoint of segment AC. The coordinates of A are (-9, 3) and the coordinates of B are (2, -3). What are the coordinates of C?

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TSI Math: Understanding Rotational Symmetry for Regular Polygons 4 Views


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Description:

Which of the following is not true of a regular hexagon?


Transcript

00:01

Which of the following is not true of a regular

00:05

hexagon Well to tackle this problem go over each answer

00:13

option one at a time to find incorrect ones right

00:16

Remember that regular polygons have a rotational symmetry equal to

00:20

their number of sides right tex six they're hex has

00:24

six eyes so a regular hexagon will have a rotation

00:28

symmetry of order six Well that means it has six

00:31

lines of symmetry left through there It'll have symmetry every

00:35

time it's spun sixty degrees since well three hundred sixty

00:39

divided by six equals sixty and it'll have symmetry when

00:42

we spin it sixty degrees one hundred twenty degrees one

00:45

hundred eighty degrees two hundred four degrees three hundred degrees

00:48

and three hundred sixty degrees Yeah so get rid of

00:50

sea there so that means a regular hexagon does not

00:53

have a rotational symmetry of order Five so a is 00:00:56.886 --> [endTime] the right answer here right Wrong one

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