A rectangle's length is twice its width. If its perimeter is 60 cm, what is its area?
Q1. A rectangle's length is twice its width. If its perimeter is 60 cm, what is its area?
Answer: 200 cm²
Explanation: Let's denote the width as w, so the length = 2w. Perimeter = 2(length + width) = 2(2w + w) = 6w = 60, so w = 10. Area = length * width = 2w * w = 2 * 10 * 10 = 200 cm².