Question

The width of a rectangle is 5 cm and its diagonal is 13 cm.What is its perimeter?​

Answer 1

Answer:

30 is the correct ans .. for sure

Answer 2

$\: \: \: \: \: \: \: \: by \: \: phytagoras \: \: theorem \\ = > {13}^{2} = {length}^{2} + {5}^{2} \\ = > 169 - 25 = {length}^{2} \\ = > {length }^{2} = 144 \\ = > length = \sqrt{144} = 12cm \\ \\ perimeter = > 2(l + b) \\ = > 2(5 + 12) \\ = > 2 \times 17 \\ = > 34 \: cm$