3
Answer: BSet 5: Area Volume (Beginner)
Explanation
PROBLEM
A rectangle has length 10 and width 8. What is its perimeter?
A rectangle has length 10 and width 8. What is its perimeter?
A.
31
B.✓ Correct
36
C.
72
D.
34
Detailed Explanation
Choice B is the best answer. Perimeter = 2(length + width) = 2(10 + 8) = 36
Why others are wrong:
A: 31 is incorrect because it does not satisfy the equation.
C: 72 is incorrect because it does not satisfy the equation.
D: 34 is incorrect because it does not satisfy the equation.