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The perimeter of a rectangular field is 240 m. If its length is 90 m, find (i) breadth (ii) area of the rectangle​

Sagot :

kwang001

Answer :

Breadth = 30 m

area of the rectangle = 2700 m²

Explanation :

⋆Given :

↦Perimeter = 240 m

↦Length = 90 m

i) Breadth

Solution :-

↬ Perimeter of a rectangle = 2 ( l + b )

↬ 240 = 2(90 + b)

↬ 240 = 180 + 2b

↬ 240 - 180 = 2b

↬ [tex] \frac{60}{2} [/tex] = b

↬ 30m = b

(ii) Area of a rectangle

Solution :-

↬ Area of a rectangle = l × b

↬ Area of a rectangle = 90 m × 30 m

↬ Area of a rectangle = 2700 m²

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