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PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST PLSSS HELPPPP I WILLL GIVE YOU BRA class=

Respuesta :

Answer:

12cm

Step-by-step explanation:

pythagoras theorem

Find the unknown length

a

of right triangle.

Formula :

a

=

c

2

b

2

Solution :

a

=

13

2

5

2

=

169

25

=

144

a

=

12