Tropical, mild and arctic

How many percent of the Earth's surface lies in the tropical, mild, and arctic range? The border between the ranges is the parallel 23°27' and 66°33'.

p1 =  8.2592 %
p2 =  51.9459 %
p3 =  39.7949 %

Step-by-step explanation:

${p}_{3}=100-\left({p}_{1}+{p}_{2}\right)=100-\left(8.2592+51.9459\right)=39.7949\mathrm{%}$

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