Do the area of the circle as a whole minus (72/360 x radius^2) and then minus the other grey area.
Answer:
answer is option A
A, 4+12>6✓
12+6>4✓
4+6>12×
because sum of two sides lengths ina a triangle should greater than the other side's length
$0.56. 0.7/5=$0.14 $0.14 is the amount per minute. so then you would multiply $0.14 x 4= $ 0.56
