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Question


Can we draw a quadrilateral ABCD with following measurements: AB = 3cm, BC = 5cm, AD = 4cm, CD= 7cm and BD=8cm?


Options:
A .   No, it is impossible
B .   With the measure of extra angle, Yes
C .   With the measure of other diagonal, Yes
D .   Yes, definitely
Answer: Option A
:
A

If we have the measures of all the sides of a quadrilateral and its one diagonal, we can draw two triangles and hence, form a quadrilateral.


ABCD comprises of two triangle  ADB &  CDB


In Δ ADB, AB = 3cm, BD = 8cm, and AD = 4cm


Since, AB + AD  < BD


 ADB  can't be constructed.


So, quadrilateral ABCD can't be constructed.



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