SSC CGL Model Paper 4

Question : 68 of 100

Marks: +1, -0

ΔABC is similar to ΔPQR. If ratio of perimeters of ΔABC and ΔPQR is 1:2 and if PQ = 10 cm, then what is the length of AB (in cm)?

Solution:

∵ ΔABC ∼ ΔPQR

{\Perimeter \of \Δ\ABC}/{\Perimeter \of \Δ\PQR=\AB/\PQ

=1/2=\AB/10

∴

\AB=10/2=5\cm

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