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7. A section of concrete drainage pipe is shown: height 50 cm, inner diameter =
20 cm, outer diameter 25 cm. How much concrete is needed to create this
section of the pipe? (Keep in mind that this pipe would be hollow). [A] (MUST
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20 cm
° 24543.7 cm³
。 3927.0 cm³
。 35342.9 cm³
。 8835.7 cm³
50 cm
25 cm

7 A section of concrete drainage pipe is shown height 50 cm inner diameter 20 cm outer diameter 25 cm How much concrete is needed to create this section of the class=


Answer :