9
Answer: BSet 3: Area Volume (Beginner)
Explanation
PROBLEM
A rectangle has length 12 and width 3. What is its perimeter?
A rectangle has length 12 and width 3. What is its perimeter?
A.
25
B.✓ Correct
30
C.
35
D.
15
Detailed Explanation
Choice B is the best answer. Perimeter = 2(length + width) = 2(12 + 3) = 30
Why others are wrong:
A: 25 is incorrect because it does not satisfy the equation.
C: 35 is incorrect because it does not satisfy the equation.
D: 15 is incorrect because it does not satisfy the equation.