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प्रश्न
Find AD, if :
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उत्तर
From the right triangle ABE
tan 45° = `("AE")/("BE")`
1 = `("AE")/("BE")`
AE = BE
Therefore AE = BE = 50 m.
Now from the rectangle BCDE we have
DE = BC = 10 m.
Therefore the length of AD will be:
AD = AE + DE = 50 + 10 = 60 m.
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