The diameter of a circle is 16 centimeters. how would you calculate the area

Triangle inequality theorem state if each set of three numbers can be the lengths of the sides of a triangle. 1. 9, 8, 22. 2. 5,10,12. 3. 7,10,22. 4. 4,11,12. 5. 11,9,10. 6. 10,4,19. 7. 3,12,10. 8. 4,3,2. 9. 6,5,13. 10. 7,12,20. me .

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Find the zeros of each function. f(x) = x^2 + 5x - 6