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Lemur [1.5K]
3 years ago
7

Look at pic 10 pts will mark brainilest

Mathematics
1 answer:
Rus_ich [418]3 years ago
3 0

Answer:

120 cm squared

Step-by-step explanation:

To find this is like finding a rectangle, you can take the triangular part of it and move it over to the side to become a rectangle

we can find the rectangle side by doing

21-6=15

then multiply it

15*8=120

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