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zhannawk [14.2K]
3 years ago
9

A plate has a diameter of 4 inches . What is the area of the plate ?

Mathematics
2 answers:
sasho [114]3 years ago
8 0

Answer:

A≈12.57in²

Step-by-step explanation:

Using the formulas

A=πr2

d=2r

Solving forA

A=1/ 4πd^2=1/ 4·π·4^2≈12.56637in²

A≈12.57in²

igor_vitrenko [27]3 years ago
6 0

Answer:

12.56 inches^2

Step-by-step explanation:

To solve this we use pi*r^2

Radius is diameter/2

so the equation is pi*2^2

pi*4

12.56 inches^2

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