Answer:
x = √18 = 4.24
Step-by-step explanation:
The radius is half of diameter so radius is 6/2 = 3
Right triangle is formed by 2 equal sides which is the same as radius
According to Pythagorean theorem: x^2 = 3^2 + 3^2
x^2 = 9 + 9 = 18
x = √18 = 4.24
