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The length of the window is thrice its width. Find the length of the window when its area is 18.75 sqm?
  1. 7.75
  2. 6
  3. 7.5
  4. None of these
Explanation

Let's denote the width as w and the length as 3w (since the length is thrice the width).

The area of the window is:

w × 3w = 3w²

Given area = 18.75 sqm

3w² = 18.75

w² = 18.75 / 3

w² = 6.25

w = √6.25

w = 2.5

Length = 3w

= 3 × 2.5

= 7.5

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مثلث کے تینوں اندرونی زاویوں کے نصف کرنے والی لکیریں جس نقطے پر ملتی ہیں اسے کیا کہتے ہیں؟
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اس سوال کو وضاحت کے ساتھ پڑھیں

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