3 years ago

I need help please and thank you

Mathematics

2 answers:

andrew-mc [135]3 years ago

3 0

Answer:

Area will be 2(lb + bh + hl)

So 2*(12*9 + 9*4 + 4*12)

384 sqft

Talja [164]3 years ago

3 0

Step-by-step explanation:

Here , length (l) = 12 ft

width (w) = 9ft

height(h) = 4ft

Surface area = 2( lw +wh+ lh)

= 2( 12×9 +9×4+4×12)

=2(108+36+48)

= 2×192 = 384 sq. ft

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