दी गई आकृति में वृत का केंद्र O है यदि ∠AOB = 80° तथा ∠AOC = 90° हो तो ∠BAC = ? - - Dee Gayi Aakriti Me Vrit Ka Kendra O Hai Yadi ∠AOB = 80° Tatha ∠AOC = 90° Ho To ∠BAC = ? Maths in hindi, circles 85° question answers in hindi pdf 75° questions in hindi, Know About 60° Maths online test Maths notes in hindi quiz book 95°