Tolong di jawab ya kak.jangan ngasal-! . . .

Jawaban:

1). K = 2 ( 14 + 11 )

K = 2 (25)

K = 50 cm

2). p = K/2 – l

p = 92/2 – 19

p = 46 – 19

p = 27 cm

3). K = 20 + 20 + 28 = 68 cm

4). L = s x s

L = 9 x 9

L = 81 cm²

5). L = a x t : 2

L = 16 x 20 : 2

L = 160 cm²