- A8
- B6
- C7
- D14
Step-by-Step Solution
Right triangle: base = 4-1 = 3, height = k-1. Area = , so .
Answer: C) 7
A park ranger plots three watch points (1,1), (4,1) and (4,k). The triangle they form has area 9 sq units.
Find the value of k (k > 1).
Class 10Area of a Triangle (Coordinates)Geometry — Coordinates
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