ABCD is a quadrilateral. AC is a diagonal ∠B = 90° , ∠DAC = 90°. If AB = 4cm , BC = 3cm, AD = 12cm . Find DC
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Answer:
the answer for your question is
Step-by-step explanation:
using pythogores property-
let us assume DC as x
=√DC = √BC + √AB +√ AD
=√DC= √3+√4+√12
=√DC=9+16+144
=√DC= 169
=DC=√169=13x13
Therefore DC is 13cm.
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