Question

In the given figure, if ZA = 90°, 2 B = 90°, OB = 4.5cm OA = 6 cm and AP= 4 cm then find QB.
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Answer 1

Answer:

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figure kaha h

Answer 2

Answer:

Step-by-step explanation:

in ∆AOP and ∆QOB

∠A = ∠B = 90°

∠AOP = ∠QOB (vertically opposite angle)

OA ≠ OB

∴ ΔAOP and ΔQOB are similar Δs

∴ OA/OB = AP/QB (in similar Δs the ratio of corresponding sides are constants)

QB = AP*OB/OA

QB = 3cm