polygons and polygon angle measures 100 200 400 300 400 polygons sum of interior angles each...
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Polygons and Polygon Angle Measures
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PolygonsSum of Interior
AnglesEach Interior
AngleExterior Angles
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Row 1, Col 1
The sum of the interior angles of a hexagon equals:
6-2=44(180)=720
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1,2
1440/10=144
Find the measure of each interior angleof a regular decagon.
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1,3
How many degrees are there in the sum ofthe exterior angles of a dodecagon ?
Sum of exterior anglesis always 360 degrees
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1,4
What is the name of a polygon with 7 sides?
Heptagon
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2,1
How many degrees are there in the sum of theinterior angles of a nine sided polygon ?
9-2=77(180)=1260
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2,2
How many degrees are there ineach interior angle of a hexagon ?
?Not a REGULAR hexagon
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2,3
Find the number of degrees in eachexterior angle of a regular pentagon.
360/5=72
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2,4
What is a polygon with all sides of the same length?
Equilateral
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3,1
If the sum of the interior angles of a polygon equals 900,how many sides does the polygon have?
180(n-2)=900180n-360=900180n=1260n=7
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3,2
If a regular polygon has 6 sides, how manydegrees are there in any one of its angles ?
720/6=120
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3,3
360/n=4040n=360n=9
If each exterior angle of a regular polygon contains
40 deg, how many sides does the polygon have ?
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3,4
10
A decagon has how many sides?
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4,1
How many sides does a polygon have if thesum of its interior angles is 2160º?
180(n-2)=2160180n-360=2160180n=2520n=14
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4,2
Each interior angle of a regular polygon measures 162.How many sides does the polygon have ?
180(n-2)/n=162180n-360=162n360=18nn=20
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4,3
What is the measure of one exteriorangle of a regular decagon ?
360/10=36
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4,4
Concave
Is the polygon concave or convex?
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5,1
What is a polygon called if the sumof its interior angles equals 1440?
180(n-2)=1440180n-360=1440180n=1800n=10 decagon
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5,2
180(n-2)/n=174180n-360=174n360=6nn=60
How many sides does a regular polygon have ifone of its interior angles measures 174 ?
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5,3
Sum of Exterior Anglesis always 360 degrees
What is the sum of the exterior anglesof a polygon with 36 sides ?
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5,4
A polygon that is both equilateral and equiangular?
Regular