Question
Find the length of BC, if ΔABC ~ ΔRQP and AC = 18 cm,
RP = 12 cm and QP = 8 cm.Solution
ΔABC ~ ΔRQP So, (AC/RP) = (BC/QP) Or, (18/12) = (BC/8) Or, (3/2) = (BC/8) Or, BC = (3/2) × 8 = 12 cm Hence, option a.
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