Perhatikan gambar di atas
jika keliling segitiga ABC =44 cm, luas segitiga tersebut ....cm²
a.120
b.100
c.84
d.,66
jika keliling segitiga ABC =44 cm, luas segitiga tersebut ....cm²
a.120
b.100
c.84
d.,66
More Questions From This User See All
Verified answer
Pake cara phytagoras aja yaTinggi = 13(kuadrat) - 5(kuadrat)
= 169 - 25
= 144 = 12 cm.
Alas = 20 + 13 = 33 cm
= 44 - 33 = 11 cm.
L = 1/2 × alas × tinggi
= 1/2 × 11 cm × 12 cm
= D. 66 cm
Semoga membantu :)