V 圆柱=底面积×高
=Sh
=π r² h
=π (d÷2)² h
=3.14 ×(6÷2)² × 2
=56.52(立方米)
V 圆锥=1/3×底面积×h
=1/3 Sh
=1/3 π r² h
=1/3 π (d÷2)² h
=1/3×3.14×(6÷2)² × 1
=9.42(立方米)
56.52+9.42=65.94(立方米)
蒙古包所占的空间大约是65.94立方米.
V 圆柱=底面积×高
=Sh
=π r² h
=π (d÷2)² h
=3.14 ×(6÷2)² × 2
=56.52(立方米)
V 圆锥=1/3×底面积×h
=1/3 Sh
=1/3 π r² h
=1/3 π (d÷2)² h
=1/3×3.14×(6÷2)² × 1
=9.42(立方米)
56.52+9.42=65.94(立方米)
蒙古包所占的空间大约是65.94立方米.