3 years ago

Help me plz I don't know the choices it could be

Mathematics

1 answer:

Marizza181 [45]3 years ago

7 0

Answer: 544 cm²

Step-by-step explanation:

There are 5 sections to the tent:

Front (triangle): A = $\frac{1}{2}$ · b · h
Back (triangle): same dimensions as Front
Base (rectangle): A = L · w
Left Side (Rectangle): A = L · w
Right side (rectangle): same dimensions as Left Side

Total Surface Area = Front & Back + Base + Sides

= 2[ $\frac{1}{2}$ (12 · 8)] + (12 · 14) + 2(14 · 10)

= 96 + 168 + 280

= 544

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