Shankardev Shishu Niketan Class 9 Maths MCQs

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Questions and Answers

What is the sum of all the interior angles of a hexagon?

  • 600 degrees
  • 900 degrees
  • 720 degrees
  • 540 degrees (correct)

In a right-angled triangle, what is the relationship between the lengths of the sides opposite to the two acute angles?

  • They are equal
  • Their sum is always greater than the length of the hypotenuse (correct)
  • Their sum is always less than the length of the hypotenuse
  • They are always unequal

If one angle of a triangle measures 90 degrees, what are the possible measures of the other two angles?

  • 45 degrees and 45 degrees (correct)
  • 45 degrees and 60 degrees
  • 60 degrees and 60 degrees
  • 30 degrees and 60 degrees

একটি ষড়ভুজীৰ সকলো অন্ত:কোণৰ যোগফল কি?

<p>$720^{ iny{ ext{(অনুগ্ৰহ কৰি নোট: একটি ষড়ভুজীৰ সকলো অন্ত:কোণৰ যোগফল = 720^ ext{0})}}}$ (C)</p> Signup and view all the answers

নিম্নিত 3, 4, আৰু 5 । 3 ॰5 ।5 ॰4 ।4 ॰3 বোৰো ট্ৰাইପ্লোনোরাণ্বিতে, a, b, আৰু c খন্তিটা?

<p>3, 4, 5 (C)</p> Signup and view all the answers

2x + y = 6, x - y = -2 সিস্তোন্ধা, x, y- খন্তিটা?

<p>(3, -1) (A)</p> Signup and view all the answers

এখনাৰ এখনাৰ কি বিপৰীত কোণৰ যোগফল হ’ব?

<p>180° (A)</p> Signup and view all the answers

এটি ষড়ভুজীৰ সকলো অন্ত:কোণেৰ যোগফল কি?

<p>720° (B)</p> Signup and view all the answers

X = -4, y = 2 সিস্তোন্ধা, 3x + 2y- খন্তি?

<p>-6 (B)</p> Signup and view all the answers

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Study Notes

Geometry

  • The sum of all interior angles of a hexagon is unknown (question prompt).
  • In a right-angled triangle, the lengths of the sides opposite to the two acute angles are related by the Pythagorean theorem (no specific values given).
  • If one angle of a triangle measures 90 degrees, the other two angles can be any acute angles (less than 90 degrees) that add up to 90 degrees.

Algebra

  • The solution to the system of equations 2x + y = 6 and x - y = -2 is unknown (question prompt).
  • The value of 3x + 2y when X = -4 and y = 2 is unknown (question prompt).

Translation

  • একটি ষড়ভুজীৰ সকলো অন্ত:কোণৰ যোগফল কি? translates to "What is the sum of all interior angles of a hexagon?"
  • নিম্নিত 3, 4, আৰু 5 । 3 ॰5 ।5 ॰4 ।4 ॰3 বোৰো ট্ৰাইପ্লোনোরাণ্বিতে, a, b, আৰু c খন্তিটা? translates to "In a right-angled triangle with sides 3, 4, and 5, what are the values of a, b, and c?"
  • এখনাৰ এখনাৰ কি বিপৰীত কোণৰ যোগফল হ’ব? translates to "What is the sum of the opposite angles?"
  • এটি ষড়ভুজীৰ সকলো অন্ত:কোণেৰ যোগফল কি? translates to "What is the sum of all interior angles of a hexagon?"
  • X = -4, y = 2 সিস্তোন্ধা, 3x + 2y- খন্তি? translates to "What is the value of 3x + 2y when X = -4 and y = 2?"

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