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luas alas = 1/2 x a x t = 1/2 x 8 x 6
= 24 cm²
keliling alas = a + t + sm = 8 + 6 + sm
sm = √8² + 6² = √64 + 36 = √100 = 10 cm
keliling = 8 + 6 + 10
= 24 cm²
luas permukaan = ( 24 x 2 ) + ( 24 x 24 )
= 48 + 576
= 624 cm²
= akar dr 8²+6²
= akar dr 64+36
= √100
= 10 cm
jadi,
Lp prisma = 2.L alas + K alas.t
= 2.(1/2.8.6) + (8+6+10).24
= 2.24 + 24.24
= 48 + 576
= 624 cm²