tolong dong nomor 5

panjang kawat 260 cm
balok rangka l 22 cm pj 23 cm dan tinggi p = ?
( 12 S) + (22x4) + (23x4) + 4P = 260
12S + 88 + 92 + 4P = 260
12 S + 4P = 260 - 180
12 S + 4P = 80
4P = 80 - 12 S
P = 20 - 3 S
jika s= 2 maka P = 20 - 6 = 14 cm