Math, asked by yashaswini65, 2 months ago

find the perimetre of a rectangle who length is 4 cm and its diagnol is 5 cm​

Answers

Answered by Salmonpanna2022
0

Answer:

=> 18 cm

Step-by-step explanation:

=> Given the length of the side of the rectangle L = 4cm

=> the length of diagonal is D = 5cm

=> therefore L²+B²= D²

=> 4²+B²= 5

=> B²= 10

=> B=5

We know that the perimeter of the rectangle is 2(L+B)

=> 2(4+5)= 18cm

=> 18 cm

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