Answer:
volume is 1570 cm³
mass is 12560 g
Explanation:
1m = 100 cm
the volume is :
1/4 x x 6² x 100 - 1/4 x x 4² x 100
= 900 - 400 { v = 1/4 d²h }
= 500
= 500 x 3.14
= 1570 cm³
the mass of the pipe is:
1570 x 8 = 12560 grams
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x 6² x 100 - 1/4 x x 4² x 100 - 400 { v = 1/4 d²h }