Find the surface area of the solid formed by the net. Round your answer to the nearest hundredth.

Step-by-step explanation:

In the image attached, you can notice that all rectangles have a base of 20 centimeters.

Also, each side of the equilaterals triangles is 8 centimeters.

Notice that the height of each rectangle is equal to a side of a triangle.

Using all given vales, the area of each rectangle is

The area of all rectangles is

, because there are three rectangles in total.

The area of each triangle is

The area of both triangles is

Now, the area of the whole figure is the sum of the area of triangles and rectangles

Therefore, the area of the total figure is around 535.43 square centimeters.

the answer is d

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