Subject
Govt.Jobs
Topic
সিকিউরিটি প্রিন্টিং কর্পোরেশন লি. সহকারি ব্যবস্থাপক (সাধারণ)-২৬.১১,২০২১
Find the area of the triangle formed by the points located at (5, 2), (-9, -3) and (-3, -5).
Find the area of the triangle formed by the points located at (5, 2), (-9, -3) and (-3, -5).
ক)
27 square unitখ)
29 square unitগ)
31 square unitঘ)
20 square unitExplanation
(5,2),(-9,-3) এবং (-3,-5) বিন্দুগুলো দ্বারা গঠিত ত্রিভুজের ক্ষেত্রফল =1/2 । 5 2 1। । -9 -3 1। ।-3 -5 1। =1/2 [5{-3-(-5)}+(-9){(-5)-2}+(-3){2-(-3)}] =1/2 [5(-3+5)-9(-5-2)-3(2+3)] =1/2 (10+63-15) =29 বর্গ এককRelated questions
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