Asked by josephine

lighthouse x has a radius of 18 mi
lighthouse z has a radius of 28 mi
lighthouse z lights up how much more area than lighthouse x? round answer to the nearest tenth.
Answered by Reiny
ummmhh, find the area of each circle, then subtract the smaller from the larger.
Answered by josephine
area of lighthouse x = 1017.36 mi^2
area of lighthouse z = 2461.76 mi^2
2461.76 - 1017.36 = 1444.4
lighthouse z lights up 1444.4 more area than lighthouse x?
Answered by Reiny
correct!!
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