Answer :

Answer: 1134.1 mm^2

Step-by-step explanation:

To find the area of a circle, you can use the formula:

A = pi r^2

Given:

- Radius (r) = 19 mm

Substitute the value of the radius into the formula:

A = pi(19mm)^2

Calculate the square of the radius:

19^2 = 361

Now, substitute 361 into the formula:

A = pi x 361mm^2

Using the approximate value of (pi =3.14159):

A = 3.14159 x 361

Multiply to find the area:

A = 1134.11459mm^2

Rounding to one decimal place:

A = approx 1134.1 mm^2

Thus, the area of the circle is approximately 1134.1 mm^2.