akfamboys akfamboys

22-02-2021
Mathematics

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The perimeter of this shape is 40cm
Calculate the value of x

The perimeter of this shape is 40cm Calculate the value of x class=

Respuesta :

jimrgrant1 jimrgrant1

22-02-2021

Answer:

x = 8

Step-by-step explanation:

The perimeter (P) is calculated as

P = 2(l + b) ← l is length and b is breadth

Here l = 12 and b = x , P = 40, then

2(12 + x) = 40 ( divide both sides by 2 )

12 + x = 20 ( subtract 12 from both sides )

x = 8

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