दी गई आकृति में वृत का केंद्र O है तथा ∠AOC = 130° , तब ∠ABC = ? - - Dee Gayi Aakriti Me Vrit Ka Kendra O Hai Tatha ∠AOC = 130° , Tab ∠ABC = ? Maths in hindi, circles 100° question answers in hindi pdf 115° questions in hindi, Know About 130° Maths online test Maths notes in hindi quiz book 65°