Respuesta :

Answer:

379.88 cm²

Step-by-step explanation:

A=6ah+3√3a²=6·4.3·11+3·√3·4.3²≈379.87686

Answer: 373cm squared

Step-by-step explanation:

ok so you have to find the are of each individdual part of this shape. there are 6 long sides so 55x6=330. and then you hav to find the are of the top and bottom surface which is 43. 330+43=373

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