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panjang tiap sisi = 52 / 4 = 13 cm
salah satu diagonal = 10 cm
alas 1 segitiga = 10 / 2 = 5 cm
gunakan pythagoras disini
x = √13² - √5²
x = √144
x = 12 cm
jadi panjang diagonal lainnya = 12 × 2 = 24 cm
K = 52 cm
d1 = 10 cm
s = k / 4 = 52 / 4 = 13
d2 ???
gunakan rumus Pytagoras = √13² - 5²
= √169 - 25
= √144
= 12
d2 = 12 x 2 = 24
Jadi, panjang diagonal yang lain adalah 24 cm
hmmm..., 5 dapet darimana yah ?
5 dapet dari 1/2 x d1