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sveta [45]
3 years ago
8

PLS HELP QUICK ILL GIVE BRAINLIEST

Mathematics
2 answers:
Flura [38]3 years ago
8 0

Answer:

A=276 cm²

Step-by-step explanation:

A=2(wl+hl+hw)

A=2(4x7+ 10x7+10x4)

A=2(28+70+40)

A=2(138)

A=276 cm²

lara [203]3 years ago
8 0
A= 276 cm^2 because the formula is S.A= 2lw + 2lh + 2wh
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