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Triangles — Maths STD 10 — Question

CBSE BoardEnglish MediumSTD 10MathsTriangles1 Mark
MCQ
Which of the following is a true statement?
  • A
    Two similar triangles are always congruent.
  • B
    Two figures are similar if they have the same shape and size.
  • ✓
    Two triangles are similar if their corresponding sides are proportional.
  • D
    Two polygons are similar if their corresponding sides are proportional.
✓

Answer

Correct option: C.
Two triangles are similar if their corresponding sides are proportional.
Is incorrect. Since two similar triangles, may or may not be similar.
Holds even if the size is not the same.
Is surely true.
Holds only if for the polygon,
the corresponding sides are proportional and the corresponding angles are equal.

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