in the given figure,AOB is straight line, angle AOD=30degree and Do perpendicular to OC. find angle COB
Attachments:
Answers
Answered by
7
AOD=30°
COD=90°
COB=X°
A.T.P.,
AOD+COD+COB=180°. (ANGLE SUM PROPERTY OF TRIANGLE)
30° + 90° + X° = 180°
120° + X° = 180°
X° = 180° - 120°
X° = 60°
COD=90°
COB=X°
A.T.P.,
AOD+COD+COB=180°. (ANGLE SUM PROPERTY OF TRIANGLE)
30° + 90° + X° = 180°
120° + X° = 180°
X° = 180° - 120°
X° = 60°
Similar questions