The diagonal of a rectangle is (17\text{ cm}), and its length is (7\text{ cm}) more than its breadth. What is the area of the rectangle?
Answer and explanation
Correct answer: (120\text{ cm}^2)
Let breadth be (x), then (x^2+(x+7)^2=17^2). This gives (x=8), length (15), and area (120\text{ cm}^2).
Frequently asked questions
What is the correct answer to this question?
(120\text{ cm}^2)
Why is this the correct answer?
Let breadth be (x), then (x^2+(x+7)^2=17^2). This gives (x=8), length (15), and area (120\text{ cm}^2).
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Quadratic Equations. Topic: Word Problems and Applications.