Jawabanmu

2014-06-08T09:00:42+07:00
120=96+2x
x=12

48×12÷2=...
kok diagonal 2 36?
Pakai phytagoras
120/4 (karena sisi belah ketupat ada 4 )
ooooh.thx yaa
Iya
2014-06-08T09:26:35+07:00
K = 120 cm
d₁ = 48 cm
L = .... ?

K = 4 x s
120 = 4 x s
s = 120 / 4
s = 30

d₂ = √30² - 24²
d₂ = √900 - 576
d₂ = √324
d₂ = 18

L =  \frac{d_{1} x d_{2}}{2}
L =  \frac{48 . 36}{2}
L =  \frac{1728}{2}
L = 864 cm^{2}

yg 18 itu masih setengahnya... harus di kali 2 lagi...