Question

A wire 180 cm long bent into a rectangle with length 60 cm find its breadth and area

Answer 1

Wire=180 cm long

Length=60 cm

Then 60*2= 120

180-120=60

60-2=30

30cm is breadth

60cm length and 30cm breadth

area = (60*30)cm*2

Answer 2

Its breadth and area are 30 cm and 1800 sq.cm.

Step-by-step explanation:

Length of wire = 180 cm

Length of wire represents the perimeter of rectangle

Length of rectangle = 60 cm

Perimeter of rectangle = 2(l+b)=2(60+b)

So,$180=2(60+b)$

$\frac{180}{2}=60+b$

90=60+b

30=b

So, Breadth is 30 cm

Area of rectangle = $Length \times Breadth = 60 \times 30 = 1800 cm^2$

Hence its breadth and area are 30 cm and 1800 sq.cm.

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