Im looking for help with area of shaded region . rectangle is 35m by 14m. there is semi-circle flowerbed at eachend. the shaded area is put down to lawn. (i) i worked out combines area of the 2 flowerbeds to be 154m^ (ii) the answer is 114m it asks 'what is the perimeter of the lawn. i cant work it out!! i tried to minus area of rec. by the flower beds but to no avail ! please help me!