In a xyz, Xy = 4cm. yz= 3cm and y=90°, find XZ
using pythogrus theorems-
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The answer is that
√7 is correct
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angle Y is 90°. So the hypotenuse side will be XZ
using Pythagoras theorem:
XZ² = XY² + YZ²
XZ² = (4)² + (3)²
XZ² = 16 + 9
XZ² = 25
XZ = √25
XZ = 5cm
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