zmkzr8fyvc zmkzr8fyvc

22-10-2021
Mathematics

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The length of a rectangle is 2x + 6. Its width is 52. Find the value of ac if the perimeter is 138m².

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garrychrist007 garrychrist007

23-10-2021

Answer:

ac = 18.5

Step-by-step explanation:

perimeter of a rectangle = [tex]2(l+b)[/tex]

= 138m^2= 2(2x + 6 ) + 52

= 4x + 12 + 52 = 138

= 4x + 64 = 138

= 4x = 138 - 64

= 4x = 74

= x = 74/4

= x = 18.5

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