The height of an equilateral triangle is 10 cm. find its area.

Question

( A ) \large\frac{90}{\sqrt{3}}cm^2
( B ) \large\frac{110}{\sqrt{3}}cm^2
( C ) \large\frac{100}{\sqrt{3}}cm^2
( D ) \large\frac{120}{\sqrt{3}}cm^2