A technician often has to sketch or design ductwork and the other parts of an HVAC system. Sometimes you have to sketch the room or building you are working with. This means working with lines, angles ...

Save guides, add subjects and pick up where you left off with your BBC account. To calculate the sector area, first calculate what fraction of a full turn the angle is. Calculate the area of this ...

A sector is a fraction of a circle. The angle in the sector is a fraction of 360°. This sector has an angle of θ°. The fraction of the circle is \(\frac{θ}{360}\) The area of the sector will be ...