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Byju's Answer
Standard VII
Mathematics
Pythagoras Theorem
In a right an...
Question
In a right angle triangle ABC right angled at B, if AB = 4 cm, BC = 3 cm, then AC = _____ cm.
5
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Solution
The correct option is
A
5
According to Pythagoras theorem
A
C
2
=
A
B
2
+
B
C
2
A
C
2
=
4
2
+
3
2
= 16 + 9 = 25
⟹
AC = 5 cm
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Q.
A right angled triangle ABC is constructed with BC = 3
cm
and AB + AC = 9
cm
. If B is the right angled, then find the length of AC (in cm).