danielle1520rice danielle1520rice

30-04-2021
Mathematics

contestada

Which one is larger: The surface area of a sphere with
radius r inches or the combined area of three circles
each of radius r inches? How do you know?

Respuesta :

Аноним Аноним

30-04-2021

Answer:

Step-by-step explanation:

formula for surface area of a sphere is

A = 4πr^2

for a circle the area is

A = πr^2

notice they are the same except for the 4 in front of the sphere... so which do you think is bigger

3 circles or 1 sphere.. that all have the same "r" ???

it's the sphere.. if you're really not sure

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