Question

I don't understand the answer:
If the two square regions in the figures have the respective areas indicated in square yards, how many yards of fencing are needed to enclose the two regions? (Drawings below)
options:
a,\[4\sqrt{130}\]b,\[20\sqrt{10}\]c,\[24\sqrt{5}\]d,\[100\]e,\[105\sqrt{5}\]

Answer 1

Answer was \[\text{c) }24\sqrt{5}\]

Answer 2

find the perimeter both sqaures. then add the perimeters

Answer 3

So \[\left(1\sqrt{5}+5\sqrt{5}\right)\times 4=6\sqrt{5}\times 4=24\sqrt{5}\]yes?

Answer 4

@ganeshie8

Answer 5

looks good !

Answer 6

Thank you @ganeshie8 :)

Answer 7

yw :)