Trapezoid and its Properties

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Trapezoid 

and its 

Properties

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Trapezoid

is a 

quadrilateral which 

has two sides 

parallel and the 

other two sides 

non-parallel.

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Bas

es

are the parallel  

sides. 

Legs

are the non parallel 

sides.

Base Angles 

of a trapezoid 

are two consecutive angles 

whose common side is the 

base.

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If the legs of a 

trapezoid are 

congruent, then it 

is an 

Isosceles 

trapezoid

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The following 

theorems state 

the properties of 

an Isosceles 

trapezoid

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SINO SI 

MAHATMA 

GANDHI?

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Using the properties 

of Isosceles 

trapezoid

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1. Find the m

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2.Find the value of X so that 

ABCD is isosceles

AD= 12X – 11

BC = 9X - 2

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3. Find the value of EF

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