Question

20
the tape required.
12. The perimeter of a rectangle is 42 cm and its length is double its breadth. Find the lengt
and breadth of the rectangle.
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13. T
portior
closed by a syu​

Answer 1

Answer:

Let the breadth be =x

Length he =2x

$\color{black}\boxed{\colorbox{saffron}{Perimeter-2(length+breadth) }}$

42=2(x+2x)

=42=6x

=x=42÷6

=x= 7

So,

$\rightarrow$$\bold{breadth=7cm}$

$\rightarrow$$\bold{length=14cm}$