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Triangles — Maths STD 10 — Question

CBSE BoardEnglish MediumSTD 10MathsTriangles1 Mark
MCQ
$\triangle A B C$ is such that $A B=3 cm, B C=2 cm$ and $C A=2.5 cm$. If $\triangle D E F \sim \triangle A B C$ and $E F=4 cm$, then perimeter of $\triangle D E F$ is
  • A
    7.5 cm
  • ✓
    15 cm
  • C
    22.5 cm
  • D
    30 cm.
✓

Answer

Correct option: B.
15 cm
B 

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