Question

please answer this question​

Answer 1

Step-by-step explanation:

$side = 5cm \\ square\:of \: square = {a}^{2} \: or \\ \: side \times side \: \\ {5}^{2} = 5 \times 5 = 25sqcm \\ perimeter \: of \:square = 4a \\ 4a\\ = 5 cm\times 4cm \: \\ = 20cm$

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Answer 2

Hey there,

a. side= 5 cm

   perimeter= 20 cm

   area = 25 cm²

b. breadth= is not given

   perimeter= 2(L+B)

                   = 2(30+B)

   area= (B* 30)cm²

Hope it helps you...