If ab : bc : ca = 3 : 4 : 5, then what is the value of :?
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Δ ABC is a right angle triangle if ab : bc : ca = 3 : 4 : 5
Step-by-step explanation:
ab : bc : ca = 3 : 4 : 5
Let say ab = 3x
then bc = 4x
ca = 5x
(5x)² = (3x)² + (4x)²
=> 25x² = 16x² + 9x²
=> 25x² = 25x²
=> Δ ABC is a right angle triangle
Δ ABC is a right angle triangle if ab : bc : ca = 3 : 4 : 5
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