denisbogdandenis13 denisbogdandenis13

27-02-2022
Mathematics

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Help me please. I cannot do it.

Help me please I cannot do it class=

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renknee renknee

27-02-2022

Answer:

1608 cm²

Step-by-step explanation:

To find the surface area of a triangular prism, we add up the area of all sides.

Rectangles:

10 * 30 = 300 cm²

21 * 30 = 630 cm²

17 * 30 = 510 cm²

300 + 630 + 510 = 1440 cm²

Triangles:

8 * 21 = 168 cm²

Both:

1440 + 168 = 1608 cm²

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