A triangle with all three sides the same lenghth, all three angles are equal.Â
regular triangle
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15
hÃŽnh kháŧi táŧĐ diáŧn (4 máš·t)
tetrahedron
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boom
Lose 50 points!
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star
Double points!
Okay!
shark
Other team loses 15 points!
Okay!
banana
Go to last place!
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15
How many degrees in a right angle?
90 degrees
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15
How many degrees in half a right angle?
45 degrees
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boom
Lose 50 points!
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fairy
Take points!
5
10
15
20
25
rocket
Go to first place!
Okay!
baam
Lose 20 points!
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20
A quadrilateral that has two pairs of lengths that are parallel to each other; opposite sides are equal in length, no right angles, no lines of symmetry.
Parallelogram
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15
Four sides, four right angles, four lines of symmetry, all sides are equal in length.
square
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15
An 8-sided polygon
octagon
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15
A 2D diagram that can be folded to make a 3D shape with no gaps or overlap.
net
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15
Four sides, four right angles, two lines of symmetry, two opposite sides are equal in length.