ABCD is a rhombus ABC = 66o. Determine ACD.
Asked by Topperlearning User | 17th Aug, 2017, 07:41: AM
ABC = ADC = 66o (opposite angles of a parallelogram)
ODC = 33o (ODC = 1/2 ADC)
ODC + OCD + COD = 180o
33o + OCD +90o = 180o (COD = 90o, diagonals bisect at rt. angle)
OCD = 57o
Hence ACD = 57o
Answered by | 17th Aug, 2017, 09:41: AM
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