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In triangle ABC, AD is a median with D on BC. It is given that AB = AC = 17 cm and BC = 16 cm. Because AB = AC, the median AD is also the altitude.
Find the length of median AD in cm.

Class 7Medians and AltitudesTriangles
  • A14
  • B15
  • C30
  • D16

Step-by-Step Solution

Since AB = AC, AD is also perpendicular to BC and BD = 8. Then AD = cm.
Answer: B) 15

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