The Pythagorean Theorem What is the value of c in the right triangle?
c? = a2 + b2
12
C2 =
+42
с
C2 = 9+
a = 3
c2 = 25
C=
b = 4
For the square root you do get a positive and a negative value, but we only
use the
value here because we're dealing with side
lengths of a triangle