Question

please answer me fastest and explain it in process and don't send rabish answer plzzzzzz ​

Answer 1

Step-by-step explanation:

1. a) Perimeter = 4s

x = 4 × 3.9

x = 15.6cm

b) Perimeter = 3x

36.3 = 3x

x = 36.3/3

x = 12.1cm

c) length = Perimeter/2 - breadth

x = 31/2 - 6.3

x = 15.5 - 6.3

x = 9.2cm

2. a) Perimeter = 4s

= 4 × 5

= 20cm

b) Perimeter = 4s

= 4 × 3x

= 12x cm

Answer 2

Answer:

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