Answer:
perimeter = 67
Step-by-step explanation:
Answer:
Its volume for a sphere where radius is 3cm
The real volume is 113.04 cubic meter
Imagine taking a cube and slicing it open from one of the corners.
The exposed area of the cube would be a
triangle. See the image for reference.
Answer:
Area of Shaded Region 
Area of Semicircle 

Step-by-step explanation:
Area of Shaded Region = Area of Sector - Area of Semicircle
<u>Area of Sector</u>
Radius of the sector =20cm

<u>Area of Semicircle</u>
Since AB is the diameter of the semicircle
Radius of the Semicircle=20/2=10cm
Area of semicircle

Therefore, area of Shaded Region

Area of Square =20 X 20 

The farmer can plow the farm in 24 different ways.