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Question 38
Ram started from his house and travelled 3 km towards South. Then turned left and travelled 4 km. Then again he turnedright andtravelled 3 km. From there, he turnedleft and travelled 4 km. At what distance is he now from his house ?
Solution
From the figure,
AE = 3 + 3 = 6 km
EF = 4 + 4 = 8 km
In $$\triangle$$ AEF,
$$(AF)^2 = (AE)^2 +Â (EF)^2$$
$$(AF)^2 = (6)^2 + (8)^2$$
$$(AF)^2 = 36 + 64$$
$$(AF)^2 = 100$$
AF = 10 km
Distance = 10 km
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