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DDotarachi
DDotarachi DDotarachi
  • 16-11-2016
  • Mathematics
Answered

A(r) is a function that gives the area of a circle with radius r. it can be written in equation form as A(r)=3.14r^2. what is the value of A(3)

A.18.84

B.28.26

C.88.74

D.12.14

Verified Answer :

Anonymous Anonymous
  • 16-11-2016

Simple...

you know A(r)=3.14\(r^{2}\)

It's just telling you what is the answer when r=3?-->>>

\(A(3)=3.14*3^{2}\)

A(3)=3.14*9

A(3)=28.26

Thus, your answer, B.

Answer Link
fitzhugs fitzhugs
  • 23-09-2021

Answer:

B.28.26

Step-by-step explanation:

Answer Link

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