dania2759
dania2759 dania2759
  • 22-05-2021
  • Mathematics
contestada

show all your working please​

show all your working please class=

Respuesta :

ferrybukantoro
ferrybukantoro ferrybukantoro
  • 22-05-2021

Answer:

45 cm²

Step-by-step explanation:

area = ½×11×13×sin 39°

= 71.5 × 0.6294

= 45 cm²

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