3 years ago

1. What is the value of x? Show all of your work.

1 answer:

4 0

Pythagorean Theorem: A^2 + B^2 = C^2
We know A and C, let's find B by doing it backwards 

C^2 - A^2 = B^2 
4^2 - 7 (square root of 7 squared is just 7) = B^2 
16 - 7 = B^2 
9 = B^2

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