2 years ago

Show all your working please

Mathematics

1 answer:

Basile [38]2 years ago

4 0

Answer:

45 cm²

Step-by-step explanation:

area = ½×11×13×sin 39°

= 71.5 × 0.6294

= 45 cm²

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2 years ago

Show all your working please​

Show all your working please