किसी ΔABC में यदि 3∠A = 4∠B = 6 ∠C हो तो ∠A = ? - - Kisi ΔABC Me Yadi 3∠A = 4∠B = 6 ∠C Ho To ∠A = ? Maths in hindi, triangles 80° question answers in hindi pdf 30° questions in hindi, Know About 60° Maths online test Maths notes in hindi quiz book 40°