In rectangle ABCD, AF bisects angle BAD and intersects DC at point F, angle CAF=15 degrees. Find the measure of angle DOF.
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Angle DOF=75 °
Full solution in document
Hint: Calculate angle BAD, fill in angles as necessary then just consider triangle DOC.
When reading the solution, insert angles as they are calculated.
Since and rectangle then . And thus .
But so and too.
Notice that's why .
Finally and therefore .
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