d. t = 8 cm
L = 1/2 x a x t
L = 1/2 x 6 cm x 8 cm
L = 24 cm2
2. Tentukan alas atau tinggi segitiga berikut
Jawaban:
a. L = 1/2 x a x t
52 = 1/2 x a x 13
52 = 13/2 x a
BERITA REKOMENDASI
52 x 2/3 = a
a = 8 cm
b. L = 1/2 x a x t
125 = 1/2 x 25 x t
125 x 2/25 = t
t = 10 cm
c. L = 1/2 x a x t
234 = 1/2 x a x 18