t = √d2 – (½d)2
t = √d2 – 1/4d2
t = √4/4d2 – 1/4d2
t = √3/4d2
t = ½d√3
Mencari Luas:
L = ½ . a . t
L = ½ . d . ½d√3
L = ¼ d2√3
t = √d2 – (½d)2
t = √d2 – 1/4d2
t = √4/4d2 – 1/4d2
t = √3/4d2
t = ½d√3
Mencari Luas:
L = ½ . a . t
L = ½ . d . ½d√3
L = ¼ d2√3
Editor: Suci Annisa Caroline
Sumber: buku.kemdikbud.go.id