3 years ago

What is the surface area of the composite figure shown?

Mathematics

1 answer:

kati45 [8]3 years ago

8 0

Answer:

531 m²

Step-by-step explanation:

9x9x5=405 (5 sides that are 9x9, including the bottom)

1/2x9x7x4=126 (4 triangles on top)

405+126=531

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