- A9
- B6
- C3
- D12
Step-by-Step Solution
Base = 8 − 2 = 6 on the -axis; height = . ½ × gives , so . (3 forgets the ½ — it solves )
Answer: B) 6
A triangle has vertices (2, 0), (8, 0) and (5, k), where k > 0. Its area is 18 sq units. Find k.
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