math

Tangent is a type of trigonometric function. Simply put, in a right triangle, it's the ratio you get by dividing the length of the side opposite an acute angle by the length of the side next to it.

A cube is a solid figure made up of 6 identical squares, also called a cube or regular hexahedron.

A regular polygon is a polygon where all the sides are equal and all the angles are equal.

Direct proportion and inverse proportion are mathematical concepts that describe how two related quantities change.

Direct proportion is when two related quantities change together, and their ratio always stays the same.

Integers are numbers without decimal parts, like -3, -2, 0, 1, 2, and they include positive numbers, zero, and negative numbers.

A kite shape refers to a quadrilateral that has a diagonal line as its axis of symmetry.

"Line chart" usually refers to a line graph.

A rectangle, also called a rectangle, is a parallelogram with one right angle, and all four of its angles are right angles.

A cuboid is a prism with a rectangular base. A cube is a special kind of cuboid, a cuboid with all six faces being squares.