A 30 cm×30 cm rectangular glass container was filled with water. Now, a portion of the water was poured into an iron bucket with a square bottom and a height of 10 cm. When the iron bucket was filled with water, the water in the container dropped by 20 cm. How long was the bottom of the iron bucket? A 30cm×30cm rectangular glass container is filled with water. Now, pour some water into an iron bucket with a square bottom and a height of 10cm. When the iron bucket is filled with water, the water surface in the container drops by 20cm. What is the side length of the bottom of the iron bucket? A 30cm×30cm rectangular glass container is filled with water. Now, pour some water into an iron drum with a square bottom and a height of 10cm. When the iron drum is filled with water, the water surface in the container drops by 20cm. What is the length of the bottom side of the iron drum?

If the length of the bottom side of the square iron bucket is x,
10 X 2=30 x 30 x 20,
X2=1800,
Solution x=30
2(Cm).
Answer: The bottom side length of a square iron bucket is 30
2 Cm.

If the side length of the bottom surface of the square iron bucket is x,
10 X 2=30 x 30 x 20,
X2=1800,
Solution x=30
2(Cm).
Answer: The bottom side length of a square iron bucket is 30
2 Cm.

A cuboid glass container with a bottom surface of 900 cm is filled with water, and a portion of the water is poured into an iron drum with a square bottom surface and a height of 10 cm,... A cuboid glass container with a bottom of 900 cm is filled with water. Now, part of the water is poured into an iron drum with a square bottom and a height of 10 cm. When the iron drum is filled with water, the water surface in the container drops by 20 cm. What is the length of the bottom edge of the iron drum?

900×20÷10=1800 Cm2
Side length √1800=30√2cm
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