tolong kak, dikumpul sekarang

panjang sisi miring = √14²+14² = √14²x2 = 14√2
panjang busur ½ lingkaran = 2 x πd/2 = 2 x 22/7 x 14/2 = 44 cm

keliling diarsir = 14 + 7x2 + 44 + 14√2 = (72 + 14√2) cm