skafede900
skafede900 skafede900
  • 23-05-2019
  • Mathematics
contestada

help with my work and step by step please

help with my work and step by step please class=
Relax

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ashleylemon315 ashleylemon315
  • 23-05-2019

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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