ind the area of a circle whose circumference is 31.4 centimeters. Approximate Π as 3.14.
Mathematics
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Question
ind the area of a circle whose circumference is 31.4 centimeters. Approximate Π as 3.14.
2 Answer

1. User Answers elijahuang
31.4/3.14=10
10/2=5
5*5*3.14= 78.5 cm square 
2. User Answers corajune99
The circumference of a circle is found by 2(pi)•r. To find r, set this equal to the circumference they gave you.
31.4=2pi•r
Divide by 2pi
r=4.997
The area of a circle is given by pi•r^2
A=pi(4.997)^2
A=78.460 cm^2