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A ladder attached to the wall makes an angle of 60 to the horizontal of the land. If the lower end of the ladder is 10 meters away from the wall, what will be the length of the ladder?
दीवार के सहारे लगी हुई एक सीढ़ी, भूमि के क्षेतिज 60 का कोण बनाती है| यदि सीढ़ी का नीचला सिरा दीवार से 10 m दूर है , तो सीढ़ी की लम्बाई क्या होगी ?

A

20m

B

40m

C

17.3m

D

34.6m

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