(1)96×(36+4×2)+[(36+4×2)/2]²×3.14
=4224+1519.76
=5743.76
≈5744平方米
(2){96×4×2+[(36+4×2)/2]²×3.14-[36/2]²×3.14}×200
={768+1519.76-1017.36}×200
=1270.4×200
=254080元
(1)96×(36+4×2)+[(36+4×2)/2]²×3.14
=4224+1519.76
=5743.76
≈5744平方米
(2){96×4×2+[(36+4×2)/2]²×3.14-[36/2]²×3.14}×200
={768+1519.76-1017.36}×200
=1270.4×200
=254080元