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inna [77]
3 years ago
10

PLEASE HELP URGENTT

Mathematics
1 answer:
vlabodo [156]3 years ago
6 0

Answer:

Step-by-step explanation:

d^2=h^2+w^2

a)

w^2=42^2-h^2, h=21

w^2=1764-441

w^2=1323

w=36.373

b)

36.373+2(2) by 21+2(2)

w=40.373, h=25

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