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In figure 9,ABCD is a rhombus in which angle AND is 40 degree
Find
i angle BAC
ii angle BCD
iii angle ADC
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Step-by-step explanation:
Diagonal of rhombus bisect each othe at 90 degree
so in triangle AOB
we get
AOB+OAB+ABO=180
90+OAB+40=180
AngleOAB=AngleBAC=50
angleBDC = angleABD
BDC=40
angleBAC=angleACD
ACD=50
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