Reishannahpsam Reishannahpsam

26-11-2016
Mathematics

contestada

In the rhombus ABCD diagonal DB is congruent to side AD what is the measure of angle A

Respuesta :

alsteva alsteva

28-11-2016

All sides of a rhombus are equal ⇒ AD = AB

AD = AB and AD = DB ⇒ AD = AB = DB ⇒ ΔABD is equilateral ⇒∠A = 60°

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