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GeometryQuestion and Answers: Page 2

Question Number 223449    Answers: 2   Comments: 0

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Question Number 223286    Answers: 2   Comments: 3

OC=4.5 & EF=2 & DE^⌢ =EC^⌢ & AC=2AF⇒AB=? ⇓⇓⇓

$${OC}=\mathrm{4}.\mathrm{5}\:\:\:\&\:\:{EF}=\mathrm{2}\:\:\&\:\:{D}\overset{\frown} {{E}}={E}\overset{\frown} {{C}}\:\:\&\:\:{AC}=\mathrm{2}{AF}\Rightarrow{AB}=? \\ $$$$\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\:\Downarrow\Downarrow\Downarrow \\ $$

Question Number 223270    Answers: 2   Comments: 0

At a given instant, two cars are at distances 600m and 800m from the point of intersection of the straight roads crossing at right angles and approaching O at uniform speeds of 20 m/s and 30 m/s respectively. Find the shortest distance between the cars and the time taken to reach this position.

At a given instant, two cars are at distances 600m and 800m from the point of intersection of the straight roads crossing at right angles and approaching O at uniform speeds of 20 m/s and 30 m/s respectively. Find the shortest distance between the cars and the time taken to reach this position.

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