CBSE Class 12 Mathematics 2026 Main Paper 65(B) · Q41 Markstriangle_area
CBSE Class 12 Mathematics 2026 Main Paper 65(B) · Question 4 (Determinants)
A triangle with vertices (3,−7),(6,3),(k,3) has area 15. Find all k.
✅ Step-by-Step Solution
Final Answer: 9 and 3
- The height to the horizontal base is 10, so 5|k−6|=15.
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