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Nady [450]
3 years ago
11

What happens to the area of a circle when the radius is tripled

Mathematics
2 answers:
gladu [14]3 years ago
8 0
  <span>A = pi*r^2 
ATriple = pi*(3r)^2 = 9*pi*r^2 = 9 A 

Triple the radius, increase the area by a factor of 9.</span><span>

i hope this has helped!</span>
iris [78.8K]3 years ago
7 0
The area is multiplied by 9 (I'm pretty sure)
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