Question

In the given right-angled triangle, if AB = 3 cm, BC = 4 cm, then the value of AC (in cm) is

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Answer 1

By Pythagoras theorem we know that

$A{C}^2$= $A{B}^2$+$B{C}^2$

So, $A{C}^2$= $4^2$ + $3^2$ = 16 + 9 = 25

So, AC = 5