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 ...

Perimeter is the distance around the outside of a shape. Farmer John's Pet Farm is getting new fencing and turf for each of the animal enclosures. Have a look at the picture and work out the perimeter ...

When we enlarge a shape by a scale factor, the length of each edge and the perimeter are multiplied by the scale factor. When we enlarge a shape by a scale factor, the area of the shape is multiplied ...