एक ऊर्ध्वाधर मीनार पर जमीन के स्तर से 20 मीटर ऊपर एक बिंदु से, जमीन पर एक बिंदु का अवनमन कोण 30° है। मीनार के आधार से उस बिंदु की दूरी ज्ञात कीजिए।

The 'Drain of Wealth' theory was propounded by which Indian nationalist leader?

Which event is considered the turning point in Mahatma Gandhi's leadership in the Indian independence movement?

Which African leader is known for his non-violent opposition to colonial rule?