Answer:
7 cm
Explanation:
The area of a parallelogram:
[tex]A=\text{Base}\times Height[/tex]
From the diagram:
• Base = y cm
,
• Height = y cm
Thus:
[tex]\begin{gathered} y\times y=49 \\ y^2=49 \\ y=\sqrt{49} \\ y=7\operatorname{cm} \end{gathered}[/tex]
The value of y is 7cm.
