sanchezadelina07
Answered

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Please Help Me Make My Life Easier Please class=

Sagot :

inshakittur

Answer:

Here is how to do it.

Step-by-step explanation:

First, find the area of the bigger circle. The equation to find the area for a circle is A=πr². You know that the diameter is 1.2 inches, so divide by 2 to find the radius.

Next, find the area of the smaller circles. Using the same process, find their area and multiply by 4, as there are four circles in the picture.

Subtract the total area of the smaller circles and the big circle to find the area.

Equation:

Total area of the big circle - total area of small circles = area of the button

Answer:

0.35π ≈ 1.0995 ≈1.1 sq. in

Step-by-step explanation:

A = πr²  

diameter = 1.2in and the radius is /2 of that  so the r = .6

A = π (.6)²

A = 0.36π  

Each small circle diameter is 0.1 in and the radius is 1/2 of that so the r =0 .05

A = π( 0.05)²

A = .0025π one small circle. Now you have 4 small circles: 4(.0025π) = .01π

Next:  

The area of Large circle - the 4 small circles

0.36π - 0.01π = 0.35π

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