No 10 kak mohon di jawab kak

Max lebar nya 250cm
Maaf kalau salah

keliling pigora = 260cm
panjang = lebar + 10

k = 2p+2l
260 = 2(l+10)+2l
260 = 2l+20+2l
260 = 4l+20
260-20 = 4l
240 = 4l
l = 60

panjang = lebar+10 = 60+10 = 70 cm
lebar = 60cm

semoga membantu yaa;)