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Standard IX
Mathematics
Question

Ifthe mid-points of base of a triangle is equidistantfrom the sides, then the triangle will be
  1. equilateral
  2. isosceles
  3. scalene
  4. right angled

A
isosceles
B
scalene
C
equilateral
D
right angled
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Solution
Verified by Toppr

Consider ΔDECandΔDFB,DE=DF[given]DC=DB[given,DisthemidpointofBC]∠DEC=∠DFC
∴ΔDEC≅ΔDFBbyRHS

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