In the triangle XYZ , XM is the altitude from X to YZ.XY = 13cm,…

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Mathematics WAEC 1997

In the triangle XYZ , XM is the altitude from X to YZ.XY = 13cm, XZ = 15cm and YM = 5cm. Find the length of YZ

  • 9cm
  • 12cm
  • 14cm checkmark
  • 19.85cm
  • 23cm

The correct answer is: C

Explanation

XM = √132 - 52 = 12cm

MZ = 152 - 122 = 9cm
YZ = 9 + 5 = 14cm
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