Question

2:
perimeter of a rectangle, 1 = its
P, if I = 32 cm and b = 16 cm.
1, if P = 80 cm and b = 18 cm.
b, if P = 120 m and l = 35 m.​

Answer 1

Answer:

1) l = 32 cm

  b = 16 cm

P = 2 ( l + b )

   = 2 ( 32 + 16 )

   = 2 ( 48 )

   = 96 cm  (Ans.)

2) P = 80 cm

   b = 18 cm

P = 2 ( l + b )

  80 = 2 ( l + 18 )

   l = 44/2 = 22cm (Ans.)

3) P = 120 m

   l = 35 m

P = 2 ( l + b )

120 = 2 ( 35 + b )

      b = 25 m (Ans.)

        Hope it helps

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