If the length of each edge of a regular tetrahedron is 'a', then its surface area is(a) √3a2 sq. units(b) √32a2 sq. units(c) √23a2 sq. units(d) √6a2 sq. units

If the length of each edge of a regular tetrahedron is 'a', then its s

1.	If the length of each edge of a regular tetrahedron is 'a', then its surface area is(a) √3a2 sq. units(b) √32a2 sq. units(c) √23a2 sq. units(d) √6a2 sq. units
Answer» If the length of each edge of a regular tetrahedron is 'a', then its surface area is (a) $\sqrt{3} a^{2}$ sq. units (b) $\frac{\sqrt{3}}{2} a^{2}$ sq. units (c) $\sqrt{\frac{2}{3}} a^{2}$ sq. units (d) $\sqrt{6} a^{2}$ sq. units