2米=200厘米;
3.14×102×200×
1 |
2 |
=3.14×100×200×
1 |
2 |
=314×100,
=31400(立方厘米);
(2)每一块的表面积:
(3.14×10×2×200+3.14×102×2)×
1 |
2 |
=(3.14×20×200+3.14×200)×
1 |
2 |
=3.14×200×21×
1 |
2 |
=314×21,
=6594(平方厘米);
6594+10×2×200,
=6594+4000,
=10594(平方厘米);
答:每块的体积是31400立方厘米,每块的表面积是10594平方厘米.