Question

10. The length and breadth of a rectangular park are 50 m and 40 m respectively. Find
the length of the wire required, if each side of the park is to be fenced with three rounds
of wire.
11. The width of a rectangle is 8 cm. If the length of the rectangle is twice the width, find
its perimeter.
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Answer 1

Answer:

10. 540 metres

11. 48 centimetres

Step-by-step explanation:

10. 2(50+40)*3=540m

11. L=2*8=16                

   P=2(16+8)=48cm

Answer 2

Answer:

10. 540m

11. 48cm

Step-by-step explanation:

10 L=50

B=40

Perimeter = 2(l+b)

=2(50+40)

=2(90)

=180m

length of wire= 3×180

= 540m

11 b=8cm

l= 2×8

=16cm

Perimeter =2(l+b)

=2 (16+8)

=2×24

= 48

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