Question 1:
DPP Botany
In the given figure, O is the centre of the circle then ∠ ACB equal to
दिए गए चित्र में, O वृत्त का केन्द्र है तब ∠ ACB किसके बराबर है।
Correct Answer: A (80◦)
Solution:
\(∠ ACB =\dfrac12∠ AOC\\∠ ABC = 50^0\\In \space ABC \\∠ ABC + ∠ BCD + ∠ CAB = 180\\50 + x + 50 = 180\\x = 80^0\)
\(∠ ACB =\dfrac12∠ AOC\\∠ ABC = 50^0\\In \space ABC \\∠ ABC + ∠ BCD + ∠ CAB = 180\\50 + x + 50 = 180\\x = 80^0\)
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