Classifying Quadrilaterals for 4th Grade
A quadrilateral has four sides, and the named types differ by which sides are parallel and which angles are right. Knowing that every square is a rectangle but not the reverse is the key idea. The examples below cover each type, with practice problems.
DETAILED EXPLANATION
Quadrilaterals have four sides. Types include square, rectangle, rhombus, trapezoid, parallelogram. Squares and rectangles have right angles; parallelograms have two pairs of parallel sides.
WORKED EXAMPLES WITH STEP BY STEP SOLUTIONS
Example 1
Name a quadrilateral with four right angles.
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Solutions:
Step 1: Apply the concept from the lesson above.
Step 2: Carry out the operation or reasoning.
Answer: A square or a rectangle (both have four right angles).
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