What is the side length a in the triangle below?

Mathematics

1 answer:

grigory [225]2 years ago

8 0

Answer:

a=5

Step-by-step explanation:

a^2+b^2=c^2

c^2-b^2=a^2

13^2-12^2=a^2

169-144=a^2

25=a^2

5=a

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