Advanced MathEasyFencing round a square field
Advanced Math practice question
A square field has an area of 64 square metres. How many metres of fencing are needed to go all the way round it?
Answer: 32
The side is √64 = 8, so the perimeter is 4 × 8 = 32.
Common wrong answers
- If you answered 8
- 8 is one side.
- If you answered 16
- 16 counts two sides.
- If you answered 64
- 64 is the area.
More Advanced Math questions
- Easy
If f(x) = 3x − 7, what is the value of f(5)? - Easy
What are the solutions to x² − 9 = 0? - Easy
Which of the following expressions is equivalent to x² + 7x + 12 ? - Easy
The function g is defined by g(x) = x³ + 2x. What is the value of g(−2) ? - Easy
For x > 0, which of the following is equivalent to ∛(x⁵) ? - Easy
The function h is defined by h(x) = (x − 6)(x + 2). What is one value of x for which h(x) = 0 ?
Not affiliated with the College Board. SAT is a trademark of the College Board.