In a right angle ∆ABC, AB=12, BC=5 and Angle ABC=90°. Find AC.
In a right angle ∆ABC, AB=12, BC=5 and Angle ABC=90°. Find AC. Correct Answer 13
This triangle is a right angled triangle so we can use Pythagoras theorem. Therefore, we get ∴ AC2 = AB2 + BC2 ∴ AC2 = 122 + 52 ∴ AC2 = 144 + 25 ∴ AC2 = 169 ∴ AC = 13.
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Feb 20, 2025