WAEC - Mathematics (1997 - No. 12) | ExamPlay

WAEC - Mathematics (1997 - No. 12)

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

19.85cm

23cm

Explanation

XM = √13² - 5² = 12cm

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

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