yg tau dijawab dengan jalannya sekarang makasih

L = Ljajargenjang + Lpersegipanjang + Lsegitiga
L = (a.t) + (p.l) + (1/2.a.t)
L = 14.9 + 26.20  + 1/2.25.15
L = 126 + 520 + 187,5
L = 833,5cm²

K = 2ED + 2CD + AB + 2FB + BC
K = 2.15 + 2.14 + 26 + 2.20 + 25
K = 30 + 28 + 26 + 40 + 25
K = 149cm