1.

In the given figure, BOC is a diameter of a circle and AB = AC. Then, ∠ABC = ? ​

Answer»

45Step-by-step EXPLANATION:we KNOW ANGLE in a SEMI circle is 90 that means angle BAC=90and given that AB=AC that means it's an isosceles triangle so remaining angles will be EQUAL and add up-to 90so 2x=90x=45so angle ABC=45



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