Question

(i) The perimeter of a rectangular sheet is 100cm. If length is 45cm, find its breadth, also
find its area.
(ii) Find profit percentage, if cost price is Rs 2500 and selling price is Rs 3000​

Answer 1

Answer:

Perimeter of the rectangular sheet=100cm

⇒2(length+breadth)=100cm

⇒2(35+breadth)=100

⇒35+breadth=

2

100

⇒35+breadth=50

⇒ breadth=50−35

⇒ breadth=15cm

Now, Area of rectangular sheet=length×breadth

=35×15=525cm

2

.

Thus, breadth and area of rectangular sheet are 15cm and 525cm

2

respectively.

Step-by-step explanation:

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