Answer:
area of larger circle : 9π = 28.27
area of smaller circle: 4π = 12.57
area of shaded region: 15.71
Step-by-step explanation:
area of a circle = πr^2
I think these are right i dont know tho
Answer:
B.
Step-by-step explanation:
In the attached file
Answer:
area=10.15 cm
Step-by-step explanation:
a=h*b/2
a= 2.9*7/2
a= 10.15
Answer:
C
Step-by-step explanation:
The radius, radii is plural is the line segment which joins the centre O to the circumference of the circle.
There are 3 radii here, that is OT, OU, OR
