3 years ago

HELP AND HURRY!! PRETTY PRETTY PLEASE!!!

Mathematics

1 answer:

liraira [26]3 years ago

5 0

Answer:

1658 m^2.

Step-by-step explanation:

This equals the surface area of the exposed sides of large rectangular prism + surface area of the exposed sides of the triangular prism

= 2 * 25*10 + 2 * 15*25 + 10 * 15

+ 2 * 1/2 * 6 * 8 + 8 * 15 + 6 * 15

= 1400 + 258

= 1658 m^2.

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