Question

The perimeter of a rectangle is 40 cm and its area is 64 sq.cm.What are the length of its sides? A wire 8 cm long is bent in to a rectangle of diagonal 2 cm. Is this possible?​

Answer 1

$Perimeter \: of rectangle \: =40 cm \: (given)$

$condition :- \: length = 2×breadth +2⇒ l=2b+2$

$perimeter p=2(l+b)=40$

$⇒2(2b+2+b)=40$

$⇒2(3b+2)=40$

$⇒6b=40−4=36$

$∴b=6cm$

$l=2×6+2=12+2=14cm$

$∴ length =14 cm, breadth =6 cm$

Answer 2

Answer:

So,

Length= 14cm

Breadth= 6cm

Step-by-step explanation:

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