Rhombus sides

find the sides of a rhombus, it area is 550 cm square and altitude is 55cm

Correct answer:

a =  10 cm

Step-by-step explanation:

$$\begin{gathered} A=550{\text{cm}}^2 \\ h=55\text{ cm } \\ a=A\mathrm{/}h=550\mathrm{/}55=10\text{ cm} \end{gathered}$$

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