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Ostrovityanka [42]
3 years ago
12

Could yall help me pls?

Mathematics
1 answer:
kaheart [24]3 years ago
8 0

Answer:

240 cm^2

Step-by-step explanation:

area of each triangle

=(10 x 7)/2 cm^2

=35 cm^2

area of four triangles

=35 x 4 cm^2

=140 cm^2

area of the square

=10 x 10 cm^2

=100 cm^2

area of the polygon

=(100 + 140) cm^2

=240 cm^2

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