Why is about half of all freshwater on Earth is inaccessible to humans?
2 answers:
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Answer:
1120°
Step-by-step explanation:
Use the sum of interior angles formula:
Where n is the number of sides.
In a nonagon, there are 9 sides, substitute 9 for n:
Since our nonagon is a regular nonagon, all 9 angles measure the same, so each angle measures:
Subtract 140 from 1260:
Circumference is given by
Area is given by
figure out the radius of the circle, then use it to find area
Area is given by
figure out the radius of the circle, then use it to find area