Answer:
The width of the rectangle is [tex]\sqrt{35}[/tex] and the length of the rectangle is [tex]2\sqrt{35}[/tex]
Step-by-step explanation:
l = 2w
A = l * w
A = 2w * w
70 = [tex]2w^{2}[/tex]
35 = [tex]w^{2}[/tex]
[tex]\sqrt{35}[/tex] = w
2[tex]\sqrt{35}[/tex] = l
