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Anna11 [10]
3 years ago
7

Help with my work and step by step please

Mathematics
1 answer:
Dmitrij [34]3 years ago
7 0

Answer:

600cm^2

Step-by-step explanation:

20*20=400

20/2=10= h in 1/2bh

(1/2)10*20=100

square=400

triangle=100

total area=square+triangle+triangle

600cm^2

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