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ΔABC is an equilateral triangle whose …

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ΔABC is an equilateral triangle whose three vertices lie on a circle. Side AB is produced to a point D such that DB =AB . A line through D parallel to BC is drawn . A line through C parallel to DB is drawn to meet the previously drawn line at E. Prove that area of ΔABC is equal to half of area of quadrilateral BDEC.

Posted by Sanket Naik 7 years, 10 months ago

CBSE > Class 09 > Mathematics

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CBSE > Class 09 > Mathematics

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Don't post personal information, mobile numbers and other details.
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Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

Posted by Sheikh Alfaz 1 month, 4 weeks ago

CBSE > Class 09 > Mathematics