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Yuki888 [10]
3 years ago
14

SOMEBODY PLEASE HELP I NEED THIS ASAP

Mathematics
1 answer:
dusya [7]3 years ago
6 0

Answer:

a = 1000 cm²

Step-by-step explanation:

Center square

20 * 20 = 400cm²

------------------------

Triangle side

a = (1/2)(20)(15)

a = 150

There are 4 sides

a = 4 * 150

a = 600 cm²

-----------------------

Total area

a = 400 - 600

a = 1000 cm²

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