☰
Question:
A25:16
B16:25
C8:10
D12:15
Answer:
13πr12h1=13πr22h2\frac13\pi{r_1^2}h_1=\frac13\pi{r_2^2}h_231πr12h1=31πr22h2
13π42h1=13π52h2\frac13\pi{4^2}h_1=\frac13\pi{5^2}h_231π42h1=31π52h2
16h1=25h216h_1=25h_216h1=25h2
h1h2=2516\frac{h_1}{h_2}=\frac{25}{16}h2h1=1625
h1:h2=25:16h_1:h_2=25:16h1:h2=25:16
Related Questions: