AC + BD = 20 HALLAR AD + BC?
AC + BD = 20 HALLAR AD + BC.
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Nenajg1003
Sea AB = a , BC = b , CD = c AC + BD = 20
a + b + b + c = 20 a + 2b + c = 20
AD + BC = a + b + c + b = a + 2b + c = 20 Rtaaaaaaaaaaaa.
AC + BD = 20 HALLAR AD + BC.
Nenajg1003