Triangles – Class 9/Maths.

Chapter 7 of CBSE/NCERT Class 9 Maths is about Triangles. Here you can find practice problems for this chapter.

CBSE CLACSS 9 MATHEMATICS
Triangles – Chapter 7 / Sample Papers.
Fill in the blanks:

  1. Two figures are ———–, if they are of the same shape and of the same size.
  2. Angles opposite to equal sides of a triangle are ——–
  3. Sides opposite to equal angles of a triangle are ————-
  4. Each angle of an equilateral triangle is of ———- degree.
  5. In a triangle, angle opposite to the longer side is ————
  6. In a triangle, side opposite to the larger angle is —————
  7. Sum of any two sides of a triangle is ———- than the third side.
  8. In a right angled triangle, the longest side is known as —————
  9. In an isosceles triangle if one angle is 75 degree, then the other two angles are —– and —degrees.
  10. Two angles of a triangle are 55 degree and 45 degree respectively, the third angle is —–

ANSWERS:

  1. Congruent
  2. Equal
  3. Equal
  4. 60
  5. larger
  6. longer
  7. greater
  8. Hypotenuse
  9. 75, 30
  10. 80 degree

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