Question

Please, solve this question
no.1 B ​

Answer 1

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perimeter of rectangle=2 (l+b)

=2 ( 7+3.5cm)

=2 (10.5cm)

= 21cm

Answer 2

Answer:

We have.

= 13 cm, 8cm

= perimeter of rectangle

= 2 (l+b)

= 2 ( 13+8)

= 2*21

ans = 42 .

solve another question in this same way.

thanks