ΔABC is similar to ΔPQR, and PQ = 10 cm. If the area of ΔABC is 32 cm2 and the area of ΔPQR is 50 cm2, then the length of AB (in cm) is equal to:
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 8.
AB/PQ = √(32/50)
⇒ AB/10 = √(16/25) = 4/5
⇒ AB = (4/5) × 10 = 8 cm