Plane Figures Worksheets 3rd Grade
Do your 3rd-grade students need extra practice with plane figures? Our plane figures worksheets are designed to help students strengthen their understanding of shapes and their attributes.
Table of Images 👆
Congruent Shapes Worksheets 3rd Grade
3D Shapes Matching Worksheet
3D Shapes Cut and Paste Worksheet
Regular Polygons Worksheet
Regular Polygons Worksheet
Regular Polygons Worksheet
Regular Polygons Worksheet
Regular Polygons Worksheet
Regular Polygons Worksheet
Regular Polygons Worksheet
Regular Polygons Worksheet
Regular Polygons Worksheet
Regular Polygons Worksheet
Regular Polygons Worksheet
Regular Polygons Worksheet
Regular Polygons Worksheet
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What is a plane figure?
A plane figure is a geometric shape or form that lies completely flat on a two-dimensional plane, with no depth or thickness. Examples of plane figures include squares, circles, triangles, rectangles, and polygons, all of which can be described by their attributes such as sides, angles, and area.
Name three examples of plane figures.
Three examples of plane figures are triangles, circles, and rectangles.
How can you identify a rectangle?
A rectangle can be identified by its defining characteristic of having four sides with opposite sides being equal in length and all angles being 90 degrees. In essence, if a shape has four straight sides where the opposite sides are equal in length and all angles are right angles, then it is a rectangle.
What makes a square different from other plane figures?
A square is distinctive from other plane figures because it has four equal sides and four right angles. This combination of characteristics ensures that all angles are equal to 90 degrees and all sides are equal in length, distinguishing it from most other geometric shapes where sides and angles may vary in measurement.
Describe the characteristics of a triangle.
A triangle is a polygon with three sides, three angles, and three vertices. The sum of the interior angles in a triangle always adds up to 180 degrees. Triangles can be classified based on the length of their sides (equilateral, isosceles, or scalene) or based on the size of their angles (acute, right, obtuse). Additionally, the side opposite the largest angle in a triangle is always the longest side, and the side opposite the smallest angle is the shortest side.
How are circles different from other plane figures?
Circles are different from other plane figures in that they are defined by a set of points at a fixed distance, called the radius, from a single central point. This distance remains constant for all points on the circle, giving it a unique symmetry and smooth, curved outline. Unlike other plane figures with straight sides and angles, circles have an infinite number of points located equidistant from their center, making them a distinct geometric shape in two dimensions.
What are the properties of a parallelogram?
A parallelogram is a quadrilateral with opposite sides that are parallel and equal in length. It also has opposite angles that are equal in measure. Additionally, the diagonals of a parallelogram bisect each other, meaning they intersect at their midpoints. Finally, the consecutive angles of a parallelogram are supplementary, meaning they add up to 180 degrees.
How do you recognize a trapezoid?
A trapezoid can be recognized by having one pair of parallel sides. Additionally, the other pair of sides do not need to be equal in length. The sides of a trapezoid can be slanted or perpendicular to each other, but one key characteristic is that there is only one set of parallel sides.
Explain the attributes of a rhombus.
A rhombus is a type of quadrilateral with the following attributes: all sides are equal in length, opposite angles are equal in measure, diagonals bisect each other at right angles, and diagonals are unequal in length. Additionally, the diagonals of a rhombus are perpendicular bisectors of each other, meaning they cut each other in half at a 90-degree angle.
What is the distinguishing feature of a pentagon?
The distinguishing feature of a pentagon is that it has five sides and five angles.
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