Jawaban:
1. Lp= 6s² = 6(25)² = 6x625 =3750cm²
V = s³ = (25)³ = 15.625cm³
2. V= 4/3 πr³ = 4/3 (22/7)(21)³ = 38.808cm³
3. Lp=La+4Ls= s²+4(½sxt) = 20²+2(20x26) =400+92=492cm²
4. V= LaxT = ½(a+b)t xT= ½(2+5)4 x 10=140cm³
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Verified answer
Jawaban:
1. Lp= 6s² = 6(25)² = 6x625 =3750cm²
V = s³ = (25)³ = 15.625cm³
2. V= 4/3 πr³ = 4/3 (22/7)(21)³ = 38.808cm³
3. Lp=La+4Ls= s²+4(½sxt) = 20²+2(20x26) =400+92=492cm²
4. V= LaxT = ½(a+b)t xT= ½(2+5)4 x 10=140cm³