bntu jawab yg a sama b guys makasiii
Matematika
VanessaSeftia
Pertanyaan
bntu jawab yg a sama b guys makasiii
1 Jawaban
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1. Jawaban nabilaa062
a) V = phi.r^{2}.t
600phi =phi.10^{2}.t
100phi.t = 600phi
t = 600phi/100phi
t = 6cm
b) L = 2phi.r(r+t)
120phi = 2phi.5(5+t)
120phi = 10phi(5+t)
120phi = 50phi + 10phi.t
120phi - 50phi =10phi.t
70phi = 10phi.t
10phi.t = 70phi
t = 70phi/10phi
t = 7cm