Lines, Sides and Angles Fill in the chart below. The first one has been done for you:
Shape Sides
Right angles
Acute angles
Obtuse angles
Square 440 0
Rectangle Parallelogram Rhombus Pentagon Hexagon
Octagon Scalene triangle
Equilateral triangle
Isosceles triangle
Tessellations Sets of
parallel lines 2
When shapes fit together perfectly, without leaving any spaces or gaps between them, and without overlapping, we say that they tessellate. If shapes do not tessellate, there will be gaps between the shapes.