Question
Download Solution PDF(2, 4), (-3, -1) এবং (5, 3) শীর্ষবিন্দু যুক্ত একটি ত্রিভুজের ক্ষেত্রফল কত হবে ?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFপ্রদত্ত:
(x 1, y 1 ) = (2, 4),
(x 2, y 2 ) = (-3, -1)
(x 3, y 3 ) = (5, 3)
অনুসৃত সূত্র :
ত্রিভুজের ক্ষেত্রফল = [x 1 (y 2 - y 3 ) + x 2 (y 3 - y 1 ) + x 3 (y 1 - y 2 )] / 2
গণনা:
ত্রিভুজের ক্ষেত্রফল = [x 1 (y 2 - y 3 ) + x 2 (y 3 - y 1 ) + x 3 (y 1 - y 2 )] / 2
সূত্রে মানগুলি প্রতিস্থাপন করুন
⇒ [2 (-1 - 3) + (-3) (3 - 4) + 5 (4 + 1)] / 2
⇒ [-8 + 3 + 25] / 2 = 10 বর্গ একক
Last updated on Jun 11, 2025
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