tolong gggggghggvvg gghbgyv bhb

L= [tex] \frac{1}{2} [/tex] × 32 × ( 52 + 48 ) 
  = [tex] \frac{1}{2} [/tex] × 32 × 100
  = 1600 cm²

L= 72 × ( 52 + 48 )
  = 72 × 100
  = 7200 cm²

L= 52 × 48
  = 2496 cm²     +     1600 cm²    +     7200 cm²
= 11.296 cm²

semoga membantu, maaf bila salah