Answer:
40078-18537=21541
Step-by-step explanation:
Answer:
DC
Step-by-step explanation:
ABCDE ≅ GHJDF
GH ≈ AB
DJ ≈ DC
The formula of an area of a triangle:

We have:

substitute:

The formula of an area of a circle:

We have 
Substitute:

The area of the shaded region
