In this accuse on basic geometry concepts, we cover the varieties and properties of quadrilaterals: Parallelogram, rectangle, square, rhombus, trapezium.
You are watching: Which property makes a rectangle a special type of parallelogram?
A square is a basic closed number with four sides.
Types that quadrilaterals
There space five types of quadrilaterals.ParallelogramRectangleSquareRhombusTrapezium
One usual property of all quadrilaterals is the the sum of all their angles equals 360°.
Let us look into the nature of various quadrilaterals.
Length that the diagonal of a rectangle = √(L2 + B2)Area = together * BPerimeter = 2(L+B)
If a and also b room the lengths the the diagonals of a rhombus,Area = (a* b) / 2Perimeter = 4L
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Important Formulas for a TrapeziumArea = (1/2) h (L+L2)Perimeter = together + L1 + L2 + L3
Summary of properties
Summarizing what we have learnt so far for easy reference and also remembrance:
|1||All sides are congruent||✕||✕||✓||✓|
|2||Opposite sides room parallel and also congruent||✓||✓||✓||✓|
|3||All angles are congruent||✕||✓||✕||✓|
|4||Opposite angles space congruent||✓||✓||✓||✓|
|5||Diagonals room congruent||✕||✓||✕||✓|
|6||Diagonals are perpendicular||✕||✕||✓||✓|
|7||Diagonals bisect each other||✓||✓||✓||✓|
|8||Adjacent angles space supplementary||✓||✓||✓||✓|
Continue learning much more about:– nature of Lines and also Angles– Properties and formulas the Circles– types of Triangles and also Properties
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