I need help plz! A circular plate has circumference of 19.5 inches. What is the area of this​ plate? Use 3.14 for pi. The area of this plate is about (blank) square inches.
​(Round the final answer to the nearest whole number as needed. Round all intermediate values to the nearest thousandth as​ needed.)

A)a square brown tarp has a square green patch green in the corner the side length of the tarp is (x + 8) and the side length of the patch is x what is the area of the brown part of the tarpb)a square red placemat has a gold square in the corner the side length of the gold square is (x - 2) inches with the width of the red region is 4 in what is the area of the red part of the placemat