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3 years ago

What isn't the bets approximation for the area of this circle labeled 8 inches use3.14 to approximate pi

Mathematics

1 answer:

Arte-miy333 [17]3 years ago

8 0

Answer:

50.272 in^2

Step-by-step explanation:

Step one:

Given data

Circles are described using the diameter parameter

Diameter of the circle is 8 inches

radius = 4 inche= d/2

Step two:

The area of the circle is

A= πr^2

A= 3.142*4^2

A=3.142*16

A=50.272 in^2

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Answer:

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Step-by-step explanation:

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Total area = (5+2x)(3+2x) = 39

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Simplify

x² + 4x -6 = 0

Rational factoring does not work, so use quadratic formula

x = +/- sqrt(10) -2

= 1.16 or -5.16 (reject)

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