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Sagot :

Hylankn57stuidn

Answer:

I think it is 556.6

Step-by-step explanation:

I think this is the answer because it is the closest answer that appeared on my calculator.

Crazyaboutcricket81idn

Answer:

Step-by-step explanation:

Surface area is the sum of the areas of all the sides.

The bottom side(the rectangle with dimensions 11.9 and 17.4): 11.9 * 17.4 = 207.06 * 1 = 207.06(because there is only one of this shape)

The rectangular sides(dimensions 10.5 and 14): 10.5 * 14 = 147 * 2 = 294 for both sides

The triangular sides(17.4 and 7): (17.4 * 7) / 2(because it a triangle) = 60.9 * 2 = 121.8(because there are two sides)

Add these up to get your surfacce area

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