The approximate area of a triangle with sides $9$ cm and $10$ cm and included angle $60°$ is —

Question

Accepted Answer

$38.97$ sq cm

Answer

$19.49$ sq cm

Answer

$45.00$ sq cm

Answer

$77.94$ sq cm

The approximate area of a triangle with sides 999 cm and 101010 cm and included angle 60°60°60° is —