Question

19. What is the diameter of circle C?

Сл
3
A. 234
B. 34
C. 4
D. 8

Answer 1

8

Explanation:

in right angle triangle

h^2=p^2+b^2

5^2=3^2+b^2

25-9=b^2

b=√16=4

radius=4

diameter=4×2=8