Jawab dong yg tau 2 soal ini

persegi = s x s = 8 x 8 = 64 - 21 = 43
segitiga =1/2 x a x t = 1/2 x 18 x 24 = 9 x 24 = 216 - 21 = 195
luas yg tak diarsir = 43 + 195 = 238