NCERT/Class 10/Mathematics/Triangles

Triangles

Class 10 · Mathematics

73 questions30 easy31 medium12 hard

Sample Questions

Q1.Two triangles are similar if their corresponding angles are equal and their corresponding sides are:

  • AEqual
  • BIn the same ratio (proportional)
  • CPerpendicular
  • DParallel

Q2.Which of the following sets of measurements can be sides of a right triangle?

  • A3, 4, 6
  • B5, 12, 13
  • C6, 8, 11
  • D7, 9, 13

Q3.In △PQR, S is on PQ and T is on PR such that ST || QR. If PS/SQ = 2/3 and PT = 8 cm, find TR.

  • A10 cm
  • B12 cm
  • C15 cm
  • D20 cm

Q4.In an isosceles right triangle, if the legs are each a cm, the hypotenuse is:

  • Aa√2 cm
  • B2a cm
  • Ca√3 cm
  • Da/√2 cm

Q5.Two poles of heights 6 m and 11 m stand on a plane ground. If the distance between their feet is 12 m, find the distance between their tops.

  • A11 m
  • B13 m
  • C15 m
  • D17 m

Q6.This is a sample question to preview what you'll get in the full practice test...

  • A. Option one
  • B. Option two
  • C. Option three
  • D. Option four
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Concepts Covered

AAA similarityAreas of similar trianglesBasic Proportionality Theorem (BPT)Converse of Pythagoras theoremCriteria for similarityPythagoras theoremSAS similaritySSS similaritySimilar triangles

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