5
Answer: CSet 3: Area Volume (Beginner)
Explanation
PROBLEM
A rectangle has length 12 and width 7. What is its perimeter?
A rectangle has length 12 and width 7. What is its perimeter?
A.
40
B.
36
C.✓ Correct
38
D.
76
Detailed Explanation
Choice C is the best answer. Perimeter = 2(length + width) = 2(12 + 7) = 38
Why others are wrong:
A: 40 is incorrect because it does not satisfy the equation.
B: 36 is incorrect because it does not satisfy the equation.
D: 76 is incorrect because it does not satisfy the equation.