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22-01-2021
Mathematics

contestada

please help me.
b = [?]
3
b
Enter the number
that goes beneath
the radical symbol

please help me b 3 b Enter the number that goes beneath the radical symbol class=

Respuesta :

Аноним Аноним

22-01-2021

Answer:

b=√7

Step-by-step explanation:

Every triangles are congruent

according to Pythagoras theorem

a²+b²=c²

3²+b²=4²

b²=4²-3²

b=√4²-3²

b=√16-9

b=√7

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