I NEED HELP please if you would. HELP

Answer:
10.3699136~10
Step-by-step explanation:
First i found the area of the triangle, .5(10*7)=35
And the area of a circle formula is pi*r^2 so...
35-(pi*2.8^2)=35-24.6300864=10.3699136
:) hope that's right