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| 1. |
In the figure if the centre of the circle and ABC is an equilateral triangle find angle BAC and angle ABO? |
| Answer» 60 degree and 30 degree respectively.Step-by-step explanation:as AO will be PERPENDICULAR to BC ( ANGLE in semi circle)so ABO will 30 ° ,. as 60/2 =30° and all ANGLES in equilateral triangle are 60° | |