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Sagot :
The surface area of the figure is approximately: 178 units².
How to Find the Surface Area of a Figure?
The surface area of any figure is the area of all its faces.
Find the area of each face as shown below:
Area of base = w² = 6² = 36 units²
Area of the 4 rectangular faces = 4(6)(3) = 72 units²
Area of the 4 triangular faces = 4[1/2bh]
b = w = 6 units
h = √(y² + (w/2)²) = √(5² + (6/2)²) = 5.8 units
Area of the 4 triangular faces = 4[1/2(6)(5.8)] = 69.6 units²
Surface area = 36 + 72 + 69.6 ≈ 178 units²
Learn more about surface area on:
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