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Find the length of the third side. If necessary, write in simplest radical form.

Legs- 9 and 7


Hypotenuse-?

User Khazhyk
by
4.3k points

2 Answers

5 votes

Answer:

√130

Explanation:

|

? | 7

|

---------------------------

9

a² + b² = c²

7² + 9² = c²

49 + 81 = c²

130 = c²

√130 = √c²

√130 = c

I hope this helps!

User Tahar Bakir
by
4.4k points
3 votes
So all you do is use Pythagorean theorem
You do 9^2 + 7^2 = x^2
81+49=x^2
130=x^2
Square root of 130 is
A decimal so simplistic radical form is square root 130
User Inostia
by
4.3k points