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O is the circumcentre of Delta ABC. If a...

O is the circumcentre of `Delta ABC`. If `angle ABC =alpha^(@) and angle BCA= beta^(@)`, then the find value of `angleBOC.`

Text Solution

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The correct Answer is:
`2(180^(@)-alpha^(2) beta^(@))`
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Knowledge Check

  • O is the circumcentre of Delta ABC, given that angleBAC = 85^@ and angleBCA =55^@, then the value of angleOAC is

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