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Mathematics 12 Online
OpenStudy (anonymous):

If AB = 130°, calculate the m angle ABC A. 130° B. 65° C. 195° D. 115°

OpenStudy (anonymous):

OpenStudy (anonymous):

@jim_thompson5910

jimthompson5910 (jim_thompson5910):

|dw:1361859542115:dw|

jimthompson5910 (jim_thompson5910):

draw in the lines to connect O to B and O to A like this |dw:1361859614587:dw|

jimthompson5910 (jim_thompson5910):

we are given arc AB = 130, so angle BOA = 130

jimthompson5910 (jim_thompson5910):

|dw:1361859642748:dw|

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