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Subjects
Class 10MathematicsQuadratic EquationsWord Problems and ApplicationsHardLevel 42
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A wire is bent into a rectangle. The length is (25) cm more than the breadth and area is (2100) square cm. What is the length of the wire?

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Answer and explanation

Correct answer: (190) cm

If breadth is (x), then (x(x+25)=2100), giving (x=35) and length (60). The wire length is (2(35+60)=190) cm.

Related tags

Quadratic EquationsRectangleWire

Frequently asked questions

What is the correct answer to this question?

(190) cm

Why is this the correct answer?

If breadth is (x), then (x(x+25)=2100), giving (x=35) and length (60). The wire length is (2(35+60)=190) cm.

Which subject and chapter does this question cover?

This is a Class 10 Mathematics question. Chapter: Quadratic Equations. Topic: Word Problems and Applications.

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