### Home > PC > Chapter 6 > Lesson 6.4.1 > Problem 6-146

6-146.

Circumference = 2*πr* (or 2*πx* in this case)

200 = 2*y* + 2*πx*

Use the information from part (a).

*A* = *xy* + *πx*^{2}

6-146.

Circumference = 2*πr* (or 2*πx* in this case)

200 = 2*y* + 2*πx*

Use the information from part (a).

*A* = *xy* + *πx*^{2}