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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
Forklaring
XM =
√
13
2
- 5
2
= 12cm
MZ = 15
2
- 12
2
= 9cm
YZ = 9 + 5 = 14cm
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