Question

ABCD is a rhombus and angle abc is 40°. the measurement angle bcd is____________​

Answer 1

Step-by-step explanation:

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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