7.) Old McDonald wants to build a fence around his

farm. If the area of his farmland is 400 square meters,
what would the perimeter of the fence be?
200 feet
20 feet
40 feet
80 feet(my answer)

8.) 8) A square has an area of 29 square units.
Which is the best estimate of the side length of the
square?

More than 5 units but less than 6 units
More than 7 units but less than 8 units
More than 14 units but less than 15 units(my answer)
More than 25 units but less than 36 units

2 answers

7. correct

8. area = 29

side = √29 which is between 5 and 6
since 5^2 = 25 and 6^2= 36 , and your 29 falls between those two
Thank you sooo much!!! @Reiny