a circle with radious of 1cm sits inside a 11cm times 12 cm rectangle what is the area of the shaded region

Answer: 128.86cm²

Step-by-step explanation:

The circle is inscribed in the rectangle. To find the shaded portion, subtract he area of the circle from the are of the rectangle.

Area of the rectangle = 11 x 12

= 132cm²

Area of the circle with radius of 1cm = πr²

= 3.142 x 1²

= 3.142cm²

Therefore, area of the shaded region = 132cm² - 3.142cm²

= 128.86cm²

Answer:128.86

Step-by-step explanation: I got it correct on khan