What is the area of the rectangle given? I. The rectangle's perimeter is 60 cm. II. The rectangle's width is 12 cm. III. The total length of two adjacent sides is 30 cm.
A. I only
B. II only
C. I and II only
D. II and either I or III
Answer:D
What is the area of the rectangle given? I. The rectangle's perimeter is 60 cm. II. The rectangle's width is 12 cm. III. The total length of two adjacent sides is 30 cm.
A. I only B. II only C. I and II only D. II and either I or III
Explanation: We can calculate the length and width of the rectangle using I and II, and hence the area.As a result, III is superfluous.Also, using II and III, we can calculate the length and width, and hence the area.As a result, I am no longer needed.