Q. ∆ABC is similar to ∆PQR. If ratio of perimeters of ∆ABC and ∆PQR is 1:2 and if PQ = 10 cm then what is the length of AB (in cm)?
A) 20
B) 5
C) 15
D) 25
✔ Correct Answer: 5
Exam Insight
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A) 20
B) 5
C) 15
D) 25
✔ Correct Answer: 5
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