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PLEASE HELP.An envelope is pulled apart to create this figure. What is the total surface area of one side of the envelope?

PLEASE HELPAn envelope is pulled apart to create this figure What is the total surface area of one side of the envelope class=

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musicbird0405
Since the top and the bottom triangles have an area of 9cm and the left and right triangles have an area of 4cm and the rectangle has an area of 24. The final area would be 50 cm^2 . 

Answer:

50cm^2

Step-by-step explanation: