2 years ago

Help me with this algebra

Mathematics

1 answer:

Alona [7]2 years ago

6 0

Answer:

educated guess give it.

Step-by-step explanation:

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Alex73 [517]

Answer:

b= $\sqrt{21}$

Step-by-step explanation:

Considering the given figure the sides 'b' , '2' and '5' are making the sides of a right angled triangle in the top right corner of the square, where

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Using Pythagoras Theorem:

$(Hypotenuse)^2=(Perpendicular)^2+(Base)^2\\$

Implementing the values in the formula:

$5^2= b^2+2^2$

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