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Example 5: Writing and Solving an Equation

The circles are identical. What is the area of each circle?
x + 2
4X
Please help…

Example 5: Writing and Solving an Equation The circles are identical. What is the-example-1
User Personjerry
by
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1 Answer

9 votes
9 votes

Explanation:

radius =x+2

diameter=4x

Diameter=2(radius)

4x=2(x+2)

4x=2x+4

4x-2x=4

2x=4

x=4/2

x=2

Subtitute x=2 in radius:

r=2+2=4

Area=πr²

Area=3.14×4²

Area=3.14×16

Area=50.24

Both the circles are identical so area is same.

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