Maths-
General
Easy

Question

A Cylinder tank has a 75 cm diameter and 1.8 m height. Find the capacity in litres to three significant figures?

hintHint:

We find the base radius by dividing the diameter and calculate the volume. Note to keep in mind the suitable units of the parameters.

The correct answer is: The required capacity is 795.536 L


    Explanations:
    Step 1 of 1:
    Given, diameter is 75 cm, so the base radius r = 75/2 cm
    Height  h = 1.8 m = 180 cm
    Capacity of the tank = volume of the tank = pi r squared h
    equals pi open parentheses 75 over 2 close parentheses squared cross times 180
    equals 22 over 7 cross times 75 over 2 cross times 75 over 2 cross times 180
    equals 795535.7143 cm cubed
    equals 795.536 straight L open parentheses text  since  end text 1 straight L equals 1000 cm cubed close right parenthesis
    Final Answer:
    The required capacity is 795.536 L

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