Question
Download Solution PDF∆ABC मध्ये, AD हा मध्यक आहे आणि G हा AD वर केंद्रबिंदू आहे जसे की AG : GD = 2 : 1. नंतर ar (∆BDG) : ar (∆ABC) समान किती आहे?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFजस आपल्याला माहित आहे,
AD हा मध्य आहे, म्हणून AD त्रिकोणाला दोन समान भागांमध्ये विभाजित करतो
ar ΔADB = ar ΔADC
ΔABD मध्ये
⇒ ar ΔBDG/ar ΔBGA = DG/AG
⇒ ar ΔBDG/ar ΔBGA = 1/2
ΔBDG चे क्षेत्रफळ = 1 एकक समजा
तर, ΔBGA चे क्षेत्रफळ = 2 एकक असेल
तर, ΔBAD = ar ΔBDG + ar ΔBGA = 1 + 2 = 3 युनिटचे क्षेत्रफळ
ΔABC चे क्षेत्रफळ = 2 x ar ΔBAD = 2 x 3 = 6 एकक
∴ ar ΔBDG : ar ΔABC = 1 : 6
Last updated on Jun 13, 2025
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