2 years ago

Find the surface area of this composite solid.

Mathematics

2 answers:

mafiozo [28]2 years ago

6 0

The correct is A to this question

Sergeeva-Olga [200]2 years ago

5 0

Answer:

Step-by-step explanation:

area of top on triangle=1/2×4×3=6m²

area of four top triangles=6×4=24 m²

area of bottom square=4×4=16 m²

area of four side rectangles=4×(4×5)=80 m²

Total area= 24+16+80=120m²

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