3. a class teacher gave students coloured papers in the shape of quadrilateral . she asked them to make parallelogram from it usingpaper folding .

a. how can a parallelogram be formed by using paper folding ?

b. prove that it is a parllelegram ?

c. what values are depicted here ?

by folding it in equal distance , in a quad if opposite sides are equal then it is a parallelogram 
 
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What values depicted here
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(1) - By joining the mid points of a sides of a quadrilateral ABCD (2)- In angle ABD P and Q are mid points of AB and AD. PQ||BD and PQ = 1/2 BD. Similarly R and S are the two mid points RS||BD and RS=1/2 BD. Simce by equation 1 and 2 PQ||SR and PQ= SR PQRS is a parallelogram. (3)- Environment protection

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A class teacher gave students coloured paper in the shape of the quadrilateral. She asks them to make a parallelogram from it using paper folding. One angle of the quadrilateral is 108 and the remaining three angles are equal, then each of the three equal angles areRequired to answer. Single choice.
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we know that the sum of quadrilateral of angle is 360
       , let the other three angle be x 
        so 108 + x + x +x = 360 
             108 + 3x = 360 
               3x = 360 -108 = 252 
              3x = 252  , x = 252 / 3 = 84
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paraleellpo
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Class teacher ke Uday student colour paper in the shape of quadrilateral she asked them to make a parallelogram from folding how can a parallelogram be formed by using paper for name Y prove that it is a parallelogram
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