What is the answer to 2*3.14*r*(40/360)=2.2 ?

The answer to 2*3.14*r*(40/360)=2.2 is r= 495/157

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23.14r*(40/360)=2.2

2 \cdot 3.14 \cdot r \cdot (\frac{40}{360}) = 2.2

r = \frac{495}{157}

Decimal Notation

r = 3.15286 \dots

Solution steps

2 \cdot 3.14 r (\frac{40}{360}) = 2.2

Multiply both sides by

100

\frac{628 r}{9} = 220

Multiply both sides by

9

628 r = 1980

Divide both sides by

628

r = \frac{495}{157}

2 x + 8 = 32

a, a + 2^{\frac{1}{2}} \frac{b}{2} = 5

\frac{5}{9} - \frac{1}{3} x = \frac{2}{3}

t, d e t a = 2^{n - 1}

4 x + 9 = 10

What is the answer to 2*3.14*r*(40/360)=2.2 ?
The answer to 2*3.14*r*(40/360)=2.2 is r= 495/157
Solve for r: 2*3.14*r*(40/360)=2.2
The solution is r= 495/157