To verify that the sum of interior angles of a quadrilateral in 360 ° by paper cutting and pasting.
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Procedure =>
- Take a piece of rectangular cardboard of suitable size and by using adhesive, paste a white paper on it.
- Cut out a quadrilateral from a drawing sheet and name it as ABCD.
- Make cut outs of ∠A, ∠B, ∠C & ∠D of Quadrilateral ABCD with the help of tracking paper.
=>Arrange the four cut out angles at a point O.
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Anonymous:
its your fault :)
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Given : sum of interior angles of a quadrilateral is 360 °
To Find : verify by paper cutting and pasting.
Solution:
Draw any quadrilateral ABCD
Make cut out of angles A , B , C & D using tracing paper
Arrange 4 angles at center point
These will form a completer circle
complete circle is 360°
Hence sum of angles of quadrilateral is 360°
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