If each side of length a of an equilateral triangle subtends an angle of \( 60 ^ { \circ } \) at the top of a tower \( h \) metre high situated at the centre of the triangle, then a) \( 3 a ^ { 2 } = ? h \) \( c ^ { 2 } = 3 h \) br \( 2 a ^ { 2 } = 3 h \) d) \( 3 a ^ { 2 } = h ^ { 3 } \)

Question

If each side of length a of an equilateral triangle subtends an angle of \( 60 ^ { \circ } \) at the top of a tower \( h \) metre high situated at the centre of the triangle, then a) \( 3 a ^ { 2 } = ? h \) \( c ^ { 2 } = 3 h \) br \( 2 a ^ { 2 } = 3 h \) d) \( 3 a ^ { 2 } = h ^ { 3 } \)

Toppr Admin · Accepted Answer