Question

In the adjoining figure find the length of AC

Answer 1

This is a right angled triangle
So,
by applying Pythagoras theorem,
AC2 = AB2 + BC2
=>AC = Sq.root of (AB2 + BC2)
=>AC = Sq.root of (25 + 144)
=>AC = 13cm.


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Answer 2

In this question we will apply, Pythagoras Formula :- h^2=p^2+b^2

Here,

AC= h
AB= p
BC= b

Now, In order to find Hypotenuse :-

h^2= p^2+b^2
AC^2=AB^2+BC^2
=> AC^2= {(5)^2+(12)^2} cm^2
=> AC^2= (25+144) cm^2
=> AC^2= 169 cm^2
=> AC= Root169 cm^2
=> AC= 13 cm


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