TyionW172697 TyionW172697
  • 03-11-2022
  • Mathematics
contestada

• if the area of a square is 100cm ^2, what is the perimeter? • if the perimeter of a square is 116cm, what is it's area?

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KaylonieD289037 KaylonieD289037
  • 03-11-2022

1) Given data:

Area of square = 100 cm square

[tex]A=a^2[/tex][tex]\begin{gathered} a^2=100 \\ a=10\operatorname{cm} \end{gathered}[/tex]

The perimeter of square is,

[tex]\begin{gathered} P=4a \\ P=4\times10 \\ P=40\operatorname{cm} \end{gathered}[/tex]

2) Given data:

Perimeter of square = 116 cm

[tex]P=4a[/tex][tex]\begin{gathered} 4a=116 \\ a=29 \end{gathered}[/tex]

The area os square is,

[tex]\begin{gathered} A=a^2 \\ A=29\times29 \\ A=841\operatorname{cm}\text{ square} \end{gathered}[/tex]

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