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Subjects
Class 10MathematicsQuadratic EquationsWord Problems and ApplicationsExpertLevel 40
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A ladder reaches (84) m up a wall. The ladder length is (42) m more than the distance of its foot from the wall. What is that distance?

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Answer and explanation

Correct answer: (63) m

If the base distance is (x), then (x^2+84^2=(x+42)^2), giving (x=63). The hypotenuse is always the greatest length.

Related tags

Quadratic EquationsLadderApplication

Frequently asked questions

What is the correct answer to this question?

(63) m

Why is this the correct answer?

If the base distance is (x), then (x^2+84^2=(x+42)^2), giving (x=63). The hypotenuse is always the greatest length.

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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