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find the perimeter of rectangle (4x-2)cm
(5x+8)cm


Sagot :

Answer:

The perimeter of the rectangle is 18x + 12 cm.

Step-by-step explanation:

Given:   [tex]\tt{w=(4x-2)}[/tex],   [tex]\tt{l=(5x+8)}[/tex]

Find:   [tex]\tt{P_{\boxed{\:\:}}=?}[/tex]

Formula:   [tex]\tt{P_{\boxed{\:\:}}=2l+2w}[/tex]

Solution:

[tex]\tt{P_{\boxed{\:\:}}=2l+2w}[/tex]

[tex]\tt{P_{\boxed{\:\:}}=2(5x+8)+2(4x-2)}[/tex]

[tex]\tt{P_{\boxed{\:\:}}=10x+16+8x-4}[/tex]

[tex]\tt{P_{\boxed{\:\:}}=10x+8x+16-4}[/tex]

[tex]\boxed{\tt{P_{\boxed{\:\:}}=18x-12\:\:cm}}[/tex]

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