Subjects
Grades
A plane figure is a closed geometric figure formed using straight or curved lines.
Read the following concept sheet for more information:
There are different kinds of lines: broken open lines, broken closed lines, curved open lines, and curved closed lines.
Read the following concept sheet for more information:
A solid is an object composed of curved or plane (flat) surfaces. It can be held, gripped, or even rolled.
Read the following concept sheet for more information: