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2. Πrs
3. t²= s²-r²
4.
5. s²=t²+r²
6. v=Πr²t
b. πr(r + s)
c. √(s² - r²)
d. t
e. √(r² + t²
f. πr²t
g. πr²t/3
s = grs pelukis
r = jari2
t = tinggi