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What is the area of the largest triangle that can be fitted into a rectangle of length l units and width w units? - Mathematics

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Question

What is the area of the largest triangle that can be fitted into a rectangle of length l units and width w units?

Options

  • `(lw)/2`

  • `(lw)/3`

  • `(lw)/6`

  • `(lw)/4`

MCQ
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Solution

`bb((lw)/2)`

Explanation:


Let ABCD be the rectangle of length l and width w.

Now, we construct a triangle of maximum area inside it in all possible ways.

∵ We know that,

Area of triangle = `1/2` × Base × Height

So, for maximum area, base and height of maximum, length is needed.

Here, maximum base length = `l`

And maximum height = w

∴ Area (maximum) of triangle = `1/2 xx l xx w = (l xx w)/2` sq.units

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Chapter 11: Mensuration - Exercise [Page 345]

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NCERT Exemplar Mathematics [English] Class 8
Chapter 11 Mensuration
Exercise | Q 4. | Page 345
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