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Problem
Problem
Each side of an equilateral triangle subtends an angle of
60
∘
60^\circ
6
0
∘
at the top of a tower
h
h
h
m high located at the centre of the triangle. If
a
a
a
is the length of each side of the triangle, then a.
3
a
2
=
2
h
2
3a^2 = 2h^2
3
a
2
=
2
h
2
b.
2
a
2
=
3
h
2
2a^2 = 3h^2
2
a
2
=
3
h
2
c.
a
2
=
3
h
2
a^2 = 3h^2
a
2
=
3
h
2
d.
3
a
2
=
h
2
3a^2 = h^2
3
a
2
=
h
2
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