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Vikki [24]
2 years ago
10

I need help PLEASEEEEEEEEEEEEEE

Mathematics
2 answers:
Serjik [45]2 years ago
5 0

Answer:

318

Step-by-step explanation:

A=2(wl+hl+hw)=2·(9·3+11·3+11·9)=318

cupoosta [38]2 years ago
4 0

Answer:

318

Step-by-step explanation:

318 is the required answer

I hope it helped you

So given Figure we need to find total surface area

=Area(ABCD)+Area(BCRQ)+Area(QRSP)+Area(ADSP)+Area(ABQP)+Area(DCRS)

=(AB×BC)+(BC×CR)+(QR×RS)+(AD×DS)+(AB×BQ)+(DC×CR)

From figure,

AB=DC=PQ=SR=9 cm

BQ=CR=AP=DS=11 cm

BC=AD=QR=SP=3 cm

On substituting these values We get

Surface Area=(9×3)+(3×11)+(9×3)+(11×3)+(9×11)+(9×11)

=27+33+27+33+99+99=318

I hope it helped you

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