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Answer:
Shape of the base: Rectangle
Shape of Lateral Faces: Triangle
Number of faces including base: five (5)
Area of each face:
1. 12 m²
Solution (rectangle) - lw - 3×4=12
2. 7.5 m²Solution (triangle) - (bh)÷2 - (3×5)÷2=7.5
3. 7.5 m²
Solution (triangle) - (bh)÷2 - (3×5)÷2=7.5
4. 10 m²
Solution (triangle) - (bh)÷2 - (4×5)÷2=10
5. 10 m²Solution (triangle) - (bh)÷2 - (4×5)÷2=10
Sum of the area of all Faces:
47 m²
Solution: 12+(7.5×2)+(10×2)=47
Step-by-step explanation:
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