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The Length of rectangular wooden board is thrice it's width. If the width of the board is 120 cm, what is the length ? what is the perimeter and area?​

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[tex]\large\underline\mathbb{ANSWER:}[/tex]

↝ The length is 360 cm.

↝ It's girth is 960 cm.

[tex]↝the \: area \: is \: 43200 {cm}^{2} [/tex]

[tex]\large\underline\mathbb{SOLUTION:}[/tex]

the width is 120 cm and the length is

and the length is three times the width

[tex]So \: the \: length \: is \: \sf\green{120 \times 3 = 360cm}[/tex]

and the area is length times width

[tex]\sf\green{360 \times 120 = 43200 {cm}^{2} }[/tex]

(360 + 120) x 2 = 960 cm

[tex]So. \: its \: girth \: is \: \sf\green{960 \: cm.}[/tex]

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:DIRECTION

The Length of rectangular wooden board is thrice it's width. If the width of the board is 120 cm, what is the length ? what is the perimeter and area?

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what is the length?

[tex]\huge{\boxed{\tt{\colorbox{violet}{360cm}}}}[/tex]

  • it's said thrice it's width(120cm) let's just multiply it by thrice
  • [tex]120 \times 3 = 360[/tex]
  • therefore the length is 360cm

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what is the area?

[tex]\huge{\boxed{\tt{\colorbox{violet}{43,200cm²}}}}[/tex]

Equation:

Area =A = lw

  • we need to multiply the length of the rectangle by the width of the rectangle.
  • Length(360cm) Width(120cm)
  • [tex]360 \times 120 = 43 \: 200cm[/tex]
  • Therefore the area is 43,200cm²

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What is the parameter?

[tex]\huge{\boxed{\tt{\colorbox{violet}{960cm}}}}[/tex]

Equation:

P = (L + W) × 2,

  • add the lengths of all the four sides
  • [tex]360 + 360 = 720 \\ 120 + 120 = 240 \\ 720 + 240 = 960[/tex]
  • therefore the parameter is 960cm

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