Δ ABC में भुजा BC को D तक बढाया गया है यदि ∠ABC = 30° तथा ∠ACD = 110° तब ∠BAC= ? - - Δ ABC Me Bhuja BC Ko D Tak Badhaya Gaya Hai Yadi ∠ABC = 30° Tatha ∠ACD = 110° Tab ∠BAC= ? Maths in hindi, triangles 40° question answers in hindi pdf 70° questions in hindi, Know About 80° Maths online test Maths notes in hindi quiz book 75°