Traditional Culture Encyclopedia - Lucky day inquiry - The picture shows the home of Grandpa Jirigele in Mongolia, which consists of a cylinder and a cone. How many cubic meters does grandpa Jizigele's house occupy?
The picture shows the home of Grandpa Jirigele in Mongolia, which consists of a cylinder and a cone. How many cubic meters does grandpa Jizigele's house occupy?
3. 14×( 6 2 ) 2 ×3+ 1 3 ×3. 14×( 6 2 ) 2 ×3,
=3. 14×( 6 2 ) 2 ×(3+ 1 3 ×3),
=3. 14×9×4,
=3. 14×36,
≈ 1 13(m3)；
A: Grandpa Jirigele's house covers an area of about 1 13 cubic meters.
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