Respuesta :

Tan 60 = GI / HG
Root 3 = 11/HG
HG = 11/root 3
HG = 6.3cm

Sin 60 = 11/ HI
Root 3 / 2 = 11/HI
Root 3 x HI = 11 x 2
HI = 22/root 3
HI = 12.7cm

Regards,
ArmyCee:)