Question

find the perimeter of the following rectangles ​

Answer 1

Answer:

i) 16cm. ii)10cm

Step-by-step explanation:

i) l = 5cm, b = 3cm

Therefore = 2×(l+b)

=2×(5+3)cm

=2×8cm

=16cm

ii) l = 2cm, b = 3cm

Therefore = 2×(l+b)

=2×(2+3)cm

= 2×5cm

=10cm

Answer 2

$\red{\bigstar \large\underline{\boxed{\bf\pink{Answer:-}}}}$

1)

• Length = 5 cm
• Breadth = 3 cm

$\sf \therefore \: Perimeter \: of \: rectangle \: = \sf \color{brown}2(l + b ) \\ \sf \color{red}l \: = \: length \\ \sf \color{skyblue}b\: = breadth$

$\sf \blue{ \mapsto2(5 + 3) \: cm} \\ \sf \color{lightgreen} \mapsto2(8) \: cm \\ { \boxed { \sf \pink{ \mapsto16 \: cm}}}$

2)

• Length = 2cm
• Breadth = 3 cm

$\sf \therefore \: Perimeter \: of \: rectangle \: =\sf \color{brown}2(l + b ) \\ \sf \color{red}l \: = \: length \\ \sf \color{skyblue}b\: = breadth$

$\sf \color{violet}2(2 + 3) \: cm \\ \sf \color{orange}2(5) \: cm \\ \sf \color{red} \mapsto 10 \: cm$