meteroloogist track severe stoms using Doppler radar. A polar grid is used to measure distances as the storms progress. If the c
enter of the radar screen is the origin and each ring is 10 miles farther from the center, what is the equation of the fourth ring
1 answer:
Answer:
Step-by-step explanation:
It is given that a meteorologist is using a Doppler radar to find out the distance of the storm as it passes using a polar grid.
The origin of the radar screen is its center.
And the distance between each ring is 10 miles from the center.
So let :
r = radius
h and k = be the coordinates of the center.
So the equation of a circle is :

Now the equation of the fourth circle when the radius changes by 10 miles is :
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