in a right angled triangle XYZ angle Y= 90° if XY = 9 cm and YZ = 12 cm, find XZ
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Answer:
XZ = √251
Step-by-step explanation:
GIVEN, Y = 90°. which means given triangle is a RIGHT ANGLE TRIANGLE.
Using PYTHOGOROUS LAW.
(Side)² + (side)² = (Hypotenuse)²
=> XY² + YZ² = XZ²
=> 9² + 12² = XZ²
=> XZ² = 225
=> XZ = √225
=> XZ = 15 cm.
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