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= √ 100 - 64
= √ 36
= 6cm
sisi lainya = 6 x 3
= 18cm
Kelilingnya = a + b + c + d
= 18 + 10 + 6+ 10
= 44cm
Luas = jss x t
2
= 6 + 18 x 8
2
= 96cm²
b ) Keliling = 14 + 8 + 8 + 10
= 40cm
Luas = jss x t
2
= 14 + 8 x 8
2
= 88cm²