A circular disc has an area that measures between 1,650 and 1,700 square inches. What could be the length of its radius? Use 3.1 4 for pie
2 answers:
Answer:
According to this description the area of the disc is:
On the other hand, the area of a circumference is given by the following equation:
(1)
Where is the radius.
If we want to know the possible lengths of for the circular disc, we will have to apply equation (1) for both areas:
For :
For :
Therefore the radius could be 22.91 inches or 23.26 inches
<u>Answer: </u>
22.92 inches ≤ r ≤ 23.27 inches
<u>Step-by-step explanation: </u>
We are given that the area of a circular disk has an area measuring between 1650 and 1700 square inches and we are to find the possible length of the its radius.
We know that the area of a circle is equal is given by .
<u>Finding radius for 1650:</u>
<u> </u>
<u>Finding radius for 1700:</u>
Therefore, 22.92 inches ≤ r ≤ 23.27 inches .
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