search
arrow-left Previous
Next arrow-right
Q: ∆ABC ~ ∆EDF, Area of ∆ABC : area ∆DEF = 49 : 4. If AB, AC, BC are respectively, 10 cm, 14 cm, 21 cm then what is the length (in cm) of EF?
  • A. 4
  • B. 4.5
  • C. 3.5
  • D. 6
Correct Answer: Option A -
answer image

Explanations:

explanation image