CBSE  /  Class 7  /  Maths  /  Congruence of Triangles

  • 1. 
    'Under a given correspondence, two triangles are congruent if the three sides of the one are equal to the three corresponding sides of the other.’
    The above is known as

  • SSS congruence of two triangles
  • SAS congruence of two triangles
  • ASA congruence of two triangles
  • RHS congruence of two right-angled triangles

  • 2. 
    ‘Under a given correspondence, two triangles are congruent if two sides and the angle included between them in one of the triangles are equal to the corresponding sides and the angle included between them of the other triangle.’
    The above is known as

  • SSS congruence of two triangles
  • SAS congruence of two triangles
  • ASA congruence of two triangles
  • RHS congruence of two right-angled triangles

  • 3. 
    ‘Under a given correspondence, two triangles are congruent if two angles and the side included between them in one of the triangles are equal to the corresponding angles and the side included between them of the other triangle.’
    The above is known as

  • SSS congruence of two triangles
  • SAS congruence of two triangles
  • ASA congruence of two triangles
  • RHS congruence of two right-angled triangles

  • 4. 
    ‘Under a given correspondence, two right-angled triangles are congruent if the hypotenuse and a leg of one of the triangles are equal to the hypotenuse and the corresponding leg of the other triangle.’
    The above is known as

  • SSS congruence of two triangles
  • SAS congruence of two triangles
  • ASA congruence of two triangles
  • RHS congruence of two right-angled triangles

  • 5. 
    For two given triangles ABC and PQR, how many matchings are possible?

  • 2
  • 4
  • 6
  • 3

  • 6. 
    The symbol for congruence is

  • ≡
  • ≅
  • ↔
  • =

  • 7. 
    The symbol for correspondence is

  • =
  • ↔
  • ≡
  • ≅

  • 8. 
    If ∆ ABC = ∆ PQR, then \(\overline { AB } \) corresponds to

  • \(\overline { PQ } \)
  • \(\overline { QR } \)
  • \(\overline { RP } \)
  • none of these

  • 9. 
    If ∆ ABC = ∆ PQR, then \(\overline { BC } \) corresponds to

  • \(\overline { PQ } \)
  • \(\overline { QR } \)
  • \(\overline { RP } \)
  • none of these

  • 10. 
    If ∆ ABC = ∆ PQR, then \(\overline { CA } \) corresponds to

  • \(\overline { PQ } \)
  • \(\overline { QR } \)
  • \(\overline { RP } \)
  • none of these
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