Question
Download Solution PDFΔABC ~ΔDEF आणि या त्रिकोणांच्या परिमिती अनुक्रमे 32 सेमी आणि 12 सेमी आहेत. जर DE = 6 सेमी, तर AB ची लांबी किती असेल?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिलेले आहे:
ΔABC ~ Δ DEF आणि या त्रिकोणांच्या परिमिती 32 सेमी आणि 12 सेमी आहेत.
DE = 6 सेमी
वापरलेली संकल्पना:
1. जर दोन त्रिकोण समान असतील तर त्यांचे संगत कोन एकरूप असतात आणि संबंधित बाजू समान प्रमाणात असतात.
2. त्रिकोणाची परिमिती ही त्याच्या सर्व बाजूंची बेरीज असते.
गणना:
प्रश्नानुसार,
(AB + BC + AC) = 32 ....(1)
(DE + EF + DF) = 12 ....(2)
ΔABC ~ Δ DEF पासून,
1 पासून,
(AB + BC + AC) = 32
⇒ K(DE + EF + DF) = 32
⇒ K × 12 = 32
⇒ K = 32/12
⇒ K = 8/3
आता, AB
⇒ 8/3 × DE
⇒ 8/3 × 6 = 16 सेमी
∴ AB ची लांबी 16 सेमी आहे.
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