# threefold in Maths topic

- heptagon
- surface area
- congruent
- bar chart
- perimeter
- perpendicular
- axis
- root
- square
- face
- infinity
- flow chart
- polyhedron
- rectangle
- plane geometry
- fraction
- median
- scatter diagram
- volume
- maths
- minus sign
- cone
- line graph
- compute
- sphere
- plus
- calculator
- arc
- quadrangle
- tangent
- x-axis
- proof
- geometry
- pie chart
- multiplication sign
- cipher
- lozenge
- rhombus
- ellipse
- logarithm