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:
A plane figure is a closed geometric figure formed using straight or curved lines. There are several kinds of plane figures, grouped according to their number of sides.
Read the following concept sheet for more information:
A polygon is a closed plane figure formed by at least three straight line segments joined end-to-end.
Read the following concept sheet for more information:
Parallel lines are lines that never meet even when they are extended. Perpendicular lines are two lines that intersect at a right angle.
Read the following concept sheet for more information:
An angle (∠) is formed by two lines or line segments that meet at a vertex. There are different types of angles, including right, acute, and obtuse angles.
Read the following concept sheet for more information:
A solid is a three-dimensional object composed of faces that can be plane or curved. There are two main categories of solids: solids with curved surfaces and polyhedrons.
Read following concept sheet for more information:
A plane figure is a closed geometric figure formed using straight and or curved lines. There are several types of plane figures, grouped according to their number of sides.
Read the following concept sheet for more information:
A circle is a plane figure formed by a closed curved line. Circumference, radius, diameter, central angle, circle center, and disc are terms used to describe a circle.
Read the following concept sheet for more information:
An angle (∠) is formed by two lines or line segments that meet at a vertex. There are different types of angles, including right, acute, and obtuse angles.
Read the following concept sheet for more information:
A solid is a three-dimensional object composed of faces that can be plane or curved. There are two main categories of solids: solids with curved surfaces and polyhedrons.
Read the following sheet for more information: