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ICSE Class 10 Answered

in the given figure AB || DC and angle BAD = 100. Calculate:(i) angle BCD (ii) angle ADC (iii) angle ABC
Asked by pereiracalida | 17 Jan, 2018, 10:36: PM
answered-by-expert Expert Answer
begin mathsize 16px style angle BAD plus angle BCD equals 180 degree space space space space space space space space space space space space space opposite space angles space of space straight a space cyclic space quadrilateral space are space supplementary 100 degree plus angle BCD equals 180 degree space space angle BCD equals 80 degree angle ADC equals angle BCD equals 80 degree space space space space space space space space space space space space space space Adjacent space angles Also comma angle ABC equals angle BAD equals 100 degree end style
Answered by Sneha shidid | 18 Jan, 2018, 11:15: AM
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