Question

the length and breadth of a rectangle are 40 cm and 10cm respectively its perimeter is 100cm/140cm/120 cm

Answer 1

Answer:

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

=2(40+10)

= 2×50

= 100cm

So,

$\rightarrow$Perimeter =100cm

Answer 2

Answer:

100 cm

Step-by-step explanation:

perimeter of rectangle

$= 2 \times (l + b) \\ = 2 \times (40 + 10) \\ = 2 \times 50 \\ = 100$