Question

find the perimeter of the rectangle
AB=13cm,BC=8cm​

Answer 1

Answer:

42 is your correct answer.

Step-by-step explanation:

perimeter of rectangle =2(l+b)

2(13+8)

2×21

=42

i hope it would be helpful

Answer 2

Step-by-step explanation:

$\mathfrak{ \large{ \purple{ \underline{ \underline{given}}}}} \\ \large \red{ab \: = \: 13 \: cm} \\ \large \red{bc \: \: = \: 8 \: cm} \\ \mathfrak{ \large{ \purple{ \underline{ \underline{solution}}}}} \\ \large \green{perimeter \: of \: rectangle = 2(ab + bc)} \\ \large \green{perimeter \: of \: rectangle \: = \: 2(13 + 8)} \\ \large \green{perimeter \: of \: rectangle = 2 \times 21} \\ \mathfrak{\large{\green{perimeter \: of \: rectangle = \: 42 \: cm}}}$