Question
Download Solution PDFमनोऱ्याच्या पायथ्याकडे जाणाऱ्या रस्त्यावरील 3 बिंदूंपासून (एकरेखीय) A, B आणि C पासून मनोऱ्याच्या शिखराच्या उंचीचा कोन अनुक्रमे 30°, 45° आणि 60° आहे. तर AB आणि BC चे गुणोत्तर काय असेल?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसंकल्पना:
जर L लांबीच्या मनोऱ्यापासून D अंतरावरील बिंदुपासूनच्या उंचीवरील कोन हा θ असेल तर,
tan θ =
गणना:
OP या मनोऱ्याची ऊंची x घेऊ,
आकृतीवरून,
OA =
OB =
OC =
∴ AB = OA - OB =
BC = OB - OC =
⇒
⇒
⇒
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