In circle ABC the center is 'O'.
measure of angle ACB = 115°
Then what is the value of measure of angle OBA ?
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1
Answer:
circle don't have any point except it center point
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Answer:
take a triangle shorter like a miner arc ... dont take abc .. take triangle acb .. than make a cyclic quadrilateral on the opposite side from chord ab .. than chord ab make 65 degree on circumference as cyclic quadrilateral than chord ab make 130 degree at centre ... rest 50 divide by 2 because of radius answer is 25
Step-by-step explanation:
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