Question

find the length of diagonal of a square if its area is 30.25 cm

Answer 1

area = side²
30.25= side²
3025/100= side²
side= 55/10
side=5.5 cm

length of diagonal= side√2
= 5.5√2

Answer 2

Answer : 5.5 cm

area=30.25 cm^2

side=$\sqrt30.25$cm=5.5cm

diagonal=$s^{2}$+$s^{2}$

              =$5.5^{2}$+$5.5^{2}$

              =$\sqrt30.25cm$

              =5.5cm

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