In △ ABC, ab = 13, AC = 15, high ad = 12, then the length of BC is () A. 14b. 14 or 4C. 8D. 4 or 8

In △ ABC, ab = 13, AC = 15, high ad = 12, then the length of BC is () A. 14b. 14 or 4C. 8D. 4 or 8

There are two right triangles in this graph. By using the Pythagorean theorem, we can get: CD2 = 152-122 = 81, CD = 9. Similarly, we can get BD2 = 132-122 = 25, BD = 5, BC = 14. There is another way to draw this graph. That is, in this case, BC = 9-5 = 4, so we choose B

Elden Ring Premiere

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