Tolong dijawab ya jangan ngasal terimakasih ​

1. diket : p = 36 cm

l = 28 cm

ditanya k dan l = …..?

jawab : k = 2 × ( p + l )

= 2 × ( 36 + 28 )

= 2 × 64

= 128 cm

L = p × s

= 36 cm × 28 cm

= 1.008 cm²

2. k = 4 × s

= 4 × 35

= 140 cm

L = s × s

= 35 cm × 35 cm

= 1.225 cm²

Maaf cuma bisa no 1 dan 2

luas: 275cm

cara

luas: 1/2xaxt

:1/2x22cmx25cm

:1/2x550cm

: 275cm