A bicycler traveled 45 mi. at an average speed of 6 mi./hr. How long did the ride take?
1 answer:
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Answer:
(b) Circle C is shown. Line segment A C is a radius with length 7 centimeters.
Step-by-step explanation:
Given
Required
Which circle could she use
To do this, we simply calculate the areas of all the given circles
The area of a circle is:
Where
The area is calculated as thus:
The area is calculated as thus:
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The area is calculated as thus:
The area is calculated as thus:
<em>From the calculations above; only the circle in option (b) has an area within the required range of 135 to 155cm^2</em>