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John decided to buy a circular tank to store water for irrigating his vegetables. The tank has a diameter of [tex]3.15 \, \text{m}[/tex] and a height of [tex]2.2 \, \text{m}[/tex]. Use this information to answer the following question.

1. Calculate the radius of the circle.

[tex]\text{Use the formula: } r = \frac{d}{2}[/tex]


Sagot :

Sure, let's solve for the radius of the circle step-by-step:

1. Understand the Problem:
- We are given the diameter of a circular tank which is [tex]\(3.15 \, \text{m}\)[/tex].
- We need to find the radius of the circle.

2. Formula to Use:
- The formula to calculate the radius ([tex]\(r\)[/tex]) from the diameter ([tex]\(d\)[/tex]) is:
[tex]\[ r = \frac{d}{2} \][/tex]

3. Substitute the Diameter Value:
- Given [tex]\(d = 3.15 \, \text{m}\)[/tex]:
[tex]\[ r = \frac{3.15}{2} \][/tex]

4. Calculate the Radius:
- Performing the division:
[tex]\[ r = 1.575 \, \text{m} \][/tex]

5. Conclusion:
- The radius of the circular tank is [tex]\(1.575 \, \text{m}\)[/tex].

Thus, using the diameter of [tex]\(3.15 \, \text{m}\)[/tex], the radius of the circular tank is [tex]\(1.575 \, \text{m}\)[/tex].