Answer:
x plus 4 divided by 5 minus 9
x + 4 / 5 - 9
11.25pi units² or 35.3 units² (3 sf)
Step-by-step explanation:
½×r²×theta
½ × 5² × 0.9pi
11.25pi units²
Or, 35.3 units² (3 sf)
3 can go into 77 25 times.