Advanced MathEasyPerimeter of a rectangle in terms of its sides
Advanced Math practice question
A rectangle has length L and width W. Which expression gives its perimeter?
- A. 2L + 2WCorrect
- B. L + W
- C. LW
- D. 2LW
Answer: A. 2L + 2W
Two lengths and two widths.
Why the other answers are wrong
- B. L + W
- Only half the sides.
- C. LW
- That is the area.
- D. 2LW
- Twice 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.