# how do I work this out ?

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#1
how can I work a polygon question out if it doesn't
name the polygon ?

0
2 years ago
#2
(Original post by Wildnatxox)
how can I work a polygon question out if it doesn't
name the polygon ?

Use the triangles to work out the exterior angle. Divide 360 by this, and that's the number of sides the polygon has.
2
2 years ago
#3
you can find the angle in the 3 sided shapes easily enough... then think how to make up 360 degrees using the bigger shapes as well.
0
2 years ago
#4
(Original post by dominikaba)

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half the triangle, so that the line of symmetry is in line with shape A. The exterior angle becomes 30. 360/30 = 12 sides.
1
#5
(Original post by Mehru1214)

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half the triangle, so that the line of symmetry is in line with shape A. The exterior angle becomes 30. 360/30 = 12 sides.
If you half the triangle then 30 will be the amount of each interior angle
0
2 years ago
#6
(Original post by Wildnatxox)
If you half the triangle then 30 will be the amount of each interior angle
30 would be the exterior angle, 150 would be the interior.
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