Question

What is the answer of this question pls

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

441.5 cm3

Step-by-step explanation:

It is important to understand that the volume of the  metallic piece will be equal to the volume of liquid it has displaced when placed inside a container. Now we are given the that the inner diameter of pipe is 15 cm so its radius will be 7.5 cm

To calculate the volume of displaced water we use

= $\pi x^{2} h$

Putting the values

= 3.14 * (7.5)^2 * 2.5

= 441.5 cm3