Set up the equation. On a piece of paper, write the dividend (number being divided) on the right, under the division symbol, and the divisor (number doing the division) to the left on the outside. ...
Divide the first digit.
Divide the first two digits.
Enter the first digit of the quotient.
(See image attached for an example)
Given data:
The given composite figure.
The given radius is r=(7 m)/2 =3.5 m.
The length of the rectangle is,

The area of the given figure is,

Thus, the area of thhe composite figure is 38.51 sq-meter.