Using vectors, find the area of `Delta` ABC whose vertices are (i) A(1,1,2),B(2,3,5) and C(1,5,5) (ii) A(1,2,3),B(2,-1,4) and C(4,5,-1) (iii) A(3,-1,2

Question

Using vectors, find the area of `Delta` ABC whose vertices are (i) A(1,1,2),B(2,3,5) and C(1,5,5) (ii) A(1,2,3),B(2,-1,4) and C(4,5,-1) (iii) A(3,-1,2

Using vectors, find the area of `Delta` ABC whose vertices are
(i) A(1,1,2),B(2,3,5) and C(1,5,5)
(ii) A(1,2,3),B(2,-1,4) and C(4,5,-1)
(iii) A(3,-1,2),B(1,-1,-3) and C(4,-3,1)
(iv) A ( 1,-1,2),B(2,1,-1) and C(3,-1,2).

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - (i) `1/2 sqrt(61)` sq units (ii) `1/2 sqrt(274)`sq units (iii)`1/2sqrt(165)` sq units (iv) `sqrt(13)` sq units

4 views Answered 2023-02-05 15:29