Question

Pls Answer Step By Step

Answer 1

Answer:

step bye step

Step-by-step explanation:

you have only said that plz ans step by step

Answer 2

Answer:

b=30

Step-by-step explanation:

Perimeter of a rectangle= 2 (l+b)

200= 2(70+b)

$\frac{200}{2}$

100= 70 + b

100-70 = b

30 = b

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