Calculate area of the white region inside circle.
Area of the two white triangles in top left and bottom right:

Area of the two white quarter circles in the bottom left and top right:

Total area of unshaded white region inside circle:

Area of entire circle including the white and shaded regions

Area of shaded region is area of entire circle - area of unshaded white region

Answer:75 mph
Step-by-step explanation:
Answer:
x-3
Step-by-step explanation:
Answer:
54
Step-by-step explanation: