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SCORPION-xisa [38]
3 years ago
11

Please help i have no clue what to do

Mathematics
1 answer:
Savatey [412]3 years ago
5 0

Answer:

b=3

Step-by-step explanation:

Pythagorean theorem

a²+b²=c²

use simple algebra to get the equation to say

a²-c²=-b² by subtracting b² on both sides and c² on both sides

----------

plug in you numbers

4²-5²=b²

do the math

16-25=-9

square root it

b=√-9

b=3

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