Question

Tolong dijawab nomor 9sama10,besok dikumpulkan.

Answer 1

(9)
L = L persegi panjang + L segitiga
L = (p x l) + (1/2 x a X t)
L = (40 x 30) + (1/2 x 40 x 4)
L= 1200 + 80
L = 1280 cm²
jawaban : B


(10)
L = L persegi + L persegi panjang
L = (s x s) + (p x l)
L = (7 x 7) + (12 x 2)
L = 49 + 24
L = 73 cm²