- A10.5
- B11.2
- C13
- D12
Step-by-Step Solution
Semi-perimeter . By Heron' formula the area = √ = √7056 = 84. Since area = ½ × BC × altitude, 84 = ½ × , so .
Answer: D) 12
In triangle ABC, AB = 13, BC = 14 and CA = 15. What is the length of the altitude drawn from A to side BC?
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