The direction that hands move on a clock. (clockwise / anti-clockwise)
clockwise
A 7-sided polygon
heptagon
Two lines that are the same distance apart all along their length, the two lines never cross.
parallel
hình khối tứ diện (4 mặt)
tetrahedron
A 3D shape with 4 triangular faces
tetrahedron
How many degrees in half a right angle?
45 degrees
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
Four sides, four right angles, four lines of symmetry, all sides are equal in length.
square
Hình bình hành
Parallelogram
A 2D diagram that can be folded to make a 3D shape with no gaps or overlap.
net
A triangle with all three sides the same lenghth, all three angles are equal.
regular triangle
Four sides, four right angles, two lines of symmetry, two opposite sides are equal in length.
rectangle
An 8-sided polygon
octagon
How many degrees in a right angle?
90 degrees
song song
parallel
A 5-sided polygon
pentagon
A 6-sided polygon
hexagon