saratoga37
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  • 23-05-2019
  • Mathematics
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what’s the problems to solve?!?!

whats the problems to solve class=

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  • 23-05-2019

Answer:

84 cm

Step-by-step explanation:

To find surface area, you must find the area and add all sides:

Large rectangle = 10x4 = 40cm

Small rectangle = 10x3 = 30cm

2x Triangles = 4x3 = 12x2(for 2 triangles) = 24cm

40 + 30 + 24 = Answer

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