So the perimeter =2* 1/4*2pai*3+6=3*pai+6.

Area = rectangular area -2 quarter circle areas

? = 6 * 3-2 * 1/4 * pai * 9 = 18-(9 pai)/2

Area = area of quarter circle-area of right triangle

? = 1/4 * pai * 100- 1/2 * 100 =( 100 * pai-200)/4