Circle icse class 10 | Mathematics | Page 1

lone orchid Feb 12, 2023, 5:32 AM

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fossil cloud Feb 12, 2023, 5:37 AM

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a) <ABC = <BCD = 60
<BOD = 2 × <BCD = 2 × 60 = 120
b) <OBP = <ODP = 90
<BPD = 360 - 90 - 90 - 120 = 60
c) <OBD = (180 - 120)/2 = 30

lone orchid Feb 12, 2023, 5:39 AM

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why is abc = bcd

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@fossil cloud

fossil cloud Feb 12, 2023, 5:41 AM

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cuz AB and CD are parallel, as the question states

lone orchid Feb 12, 2023, 5:43 AM

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alright thanks

tribal tinselBOT Feb 12, 2023, 5:43 AM

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@lone orchid has given 1 rep to @fossil cloud

#Circle icse class 10