Mikita is painting a spherical model of a human cell for a science fair. She uses 452.16 square inches of paint to evenly cover

Question

3 years ago

13

Mikita is painting a spherical model of a human cell for a science fair. She uses 452.16 square inches of paint to evenly cover

the outside of the cell with one coat of paint. What is the diameter of the cell model? (Use 3.14 for the value of π.)
6 in.
12 in.
24 in.
36 in.

Mathematics

1 answer:

GaryK [48] · Answer 1 · 2022-07-28T08:49:30+03:00

GaryK [48]3 years ago

7 0

Answer:

12

Step-by-step explanation:

Basically you have to divide 3.14 by 452.16 (the formula for area of circle is pi times r squared) and that will get you 144. The square root of 144 is 12 :)