Two Dimensional Shape 3

Types Of Trapezoid / Trapezium

Types Of Trapezoid Based On Sides:

• Scalene Trapezoid / Irregular Quadrilateral ( No sides equal and no internal angles are the same ).
• Isosceles Trapezoid ( Two non-parallel sides are equal in length, two sides are parallel ).

Types Of Trapezoid Based On Angles:

• Acute Trapezoid : two adjacent angles acute ( < 90⁰ ).
• Obtuse / Oblique Trapezoid : two opposite angles obtuse ( > 90⁰ ).
• Right Trapezoid : two adjacent right angles ( 90⁰ ).

Types Of Triangle

Types Of Triangle By Lengths Of Sides:

• Equilateral Triangle : all sides are equal and all angles are equal.
• Isosceles Triangle : two sides are equal.
• Scalene Triangle / Irregular Triangle : no sides are equal.

Types Of Triangle By Internal Angles:

• Right (Angle Of) Triangle : one right angle ( 90⁰ ).
• Isosceles Right Triangle.
• Scalene Right Triangle.
• Acute (Angle Of) Triangle : all angles acute ( < 90⁰ ).
• Oblique / Obtuse (Angle Of) Triangle : one angle obtuse/oblique ( > 90⁰ ).

Types Of Quadrilaterals

Types Of Quadrilaterals ( 4 sides shape / 4 sided polygon ):

• Rectangle : Opposite sides are equal, four internal right angles.
• Parallelogram  : Opposite sides are equal and parallel, opposite interior angles are equal.
• Square : All four sides are equal, four internal right angles.
• Rhombus : quadrilaterals whose four sides are all equal in length.
• Trapezoid/Trapezium : One pair of opposite sides is parallel.
• Kite : Two pairs of adjacent sides are equal, one pair of opposite interior angles are equal.
• Diamond : made up of two equilateral triangles.

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Bibliography:

https://mathmonks.com/

https://www.houseofmaths.co.uk/

https://www.onlinemathlearning.com/

https://www.shutterstock.com/

https://www.skillsyouneed.com/

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