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19-03-2020
Mathematics

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What is the perimeter of this triangle above?

What is the perimeter of this triangle above class=

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llaylav llaylav

19-03-2020

Answer: 30

Step-by-step explanation:

a^2+b^2=c^2

a^2+5^2=13^2

(square everything)

a^2+25=169

(subtract 25 from 169)

a^2=144

(square root everything)

a=12

12+5+13=30

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