The first picture is 3
The second picture is 6
The third picture is 6
The fourth picture is 1
So find the diameter which is the radius times 2
So 3x2= 6
6x 3.14(Pi)
=18.84 which a full circle and now divide by two
9.42 is the area of semi circle
Answer:d
Step-by-step explanation:
Answer:
36.575
Step-by-step explanation:
you need to find line ab you can do
for the triangle and get the line you also need to get the squar root of it as it is still squared then devide by 2 to get the rades then times that by pi and there you go you have the area also sorry for spelling I love math not English