1) tun 225 (we 22 5= 30 + 225)
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Step-by-step explanation:
Volume of tun = (1/3)π20²(21 + 63) - (1/3)π15²*63. π = 22/7. => Volume of bucket = 22 * 400*4 - 22*225*3. = 35200 - ...
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