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d2=8
L=?
kel=?
s=akar 3kuadrat+4kuadrat
=akar 9+16
=akar25=5cm
kel=4*s=4*5
=20 cm
L=d1*d2*1/2
=8*6*1/2
=48*1/2
=24 cmpersegi
= 9 + 16
= 25 = 5 cm (sisi)
keliling = 4s = 4 x 5 = 20 cm
luas = diaonal 1 x diagonal 2 : 2
= 6 x 8 : 2 = 24 cm