MCQOPTIONS
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| 1. |
In the given figure (not drawn to scale), DO and CO are the bisectors of \[\angle ADC\] and \[\angle BCD\]respectively. If \[\angle ADC=\angle BCD=60{}^\circ \] and \[\angle DAB=100{}^\circ \], find the measure of \[\angle DOC\] and \[\angle ABC\]respectively, |
| A. | \[100{}^\circ \], \[160{}^\circ \] |
| B. | \[\text{110 }\!\!{}^\circ\!\!\text{ }\], \[150{}^\circ \] |
| C. | \[120{}^\circ \], \[140{}^\circ \] |
| D. | \[\text{110 }\!\!{}^\circ\!\!\text{ }\], \[130{}^\circ \] |
| Answer» D. \[\text{110 }\!\!{}^\circ\!\!\text{ }\], \[130{}^\circ \] | |