Paste your question to our Mathbee AI Mentor below to get an instant step-by-step solution.
Vector Algebra
NCERT Exemplar Class 12
CBSE
Grade 12
Question:
Find the area of a triangle having vertices $A(1, 1, 1), B(1, 2, 3)$ and $C(2, 3, 1)$.
Step-by-Step Solution
Given: Find the area of a triangle having vertices $A(1, 1, 1), B(1, 2, 3)$ and $C(2, 3, 1)$. Step 1: Set up the governing mathematical relation / formula: From the given problem statement, we state the key relation: $$AB x AC$$ [1.0 Mark] Step 2: Execute step-by-step evaluation and simplify: Evaluating and simplifying the expression: $$\sqrt{11}/2 sq units.$$ [1.0 Mark] Conclusion: The solution is verified as \sqrt{11}/2 sq units..
--- 🎯 Official CBSE Marking Scheme: Setting up equation / formula: 1.0 Mark Evaluating correct final answer: 1.0 Mark
Correct Answer:
Mathbee AI Mentor (Free Demo)
Confused by the solution? Ask the AI to explain a specific step, tell you where you went wrong, or break down the key trap in this question.
Master Vector Algebra with Mathbee
Practice this topic under real exam conditions with strict timers, or ask our AI Mentor to explain the concepts step-by-step.