Search for: The area of the triangle, whose vertices are at the points (2, 1, 1), (3, 1,2) and (- 4,0, 1) is The area of the triangle, whose vertices are at the points (2, 1, 1), (3, 1,2) and (- 4,0, 1) is A19B1219C1238D1257 Fill Out the Form for Expert Academic Guidance!l Grade ---Class 1Class 2Class 3Class 4Class 5Class 6Class 7Class 8Class 9Class 10Class 11Class 12 Target Exam JEENEETCBSE +91 Preferred time slot for the call ---9 am10 am11 am12 pm1 pm2 pm3 pm4 pm5 pm6 pm7 pm8pm9 pm10pm Please indicate your interest Live ClassesBooksTest SeriesSelf Learning Language ---EnglishHindiMarathiTamilTeluguMalayalam Are you a Sri Chaitanya student? NoYes Verify OTP Code (required) I agree to the terms and conditions and privacy policy. Solution:∵Δyz=12y1z11y2z21y3z31,Δzx=12z1x11z2x21z3x31,Δxy=12x1y11x2y21x3y31∴ Δyz=121 1 11 2 10 1 1=12|[1(2−1)−1(1−0)+1(1−0)]|=12|[1−1+1]|=12Δzx=121212311−41=12|[1(3+4)−2(2−1)+1(−8−3)]|=12|[7−2−11]|=3Δxy=12211311−401=12|[2(1−0)−1(3+4)+1(0+4)]|=12Area of triangle,Δ=Δyz2+Δzx2+Δxy2=122+(3)2+122=14+9+14=382 sq unit Related content Test your English Vocabulary CUET Exam Dates 2024 – Application Form, Fees, Eligibility CBSE Class 12 IP Answer Key 2024,Informatics Practices Paper Solution For SET 1, 2, 3, 4 CUET UG Cut Off 2024, Category, Universities and Colleges Wise Expected Cut Off Modal Verbs Helping Verbs Letter To Your Friend About Your School Trip Action Verbs CUET 2024 – List of Colleges and Participating Universities Accepting CUET Exam Score SRMJEEE Online Test Series – Practice Papers