The difference between big holes and small holes is that a large patched area is more likely to concave ... While small holes can often be fixed with spackle, larger holes require a sturdier ...

Find out how to measure the area of rectilinear shapes by breaking them down into squares and rectangles. How do you work out the area of triangles? Discover how to work out the area of a triangle ...

For students between the ages of 11 and 14. Area of squares, rectangles and compound shapes Learn about the area of squares, rectangles and compound shapes with this BBC Bitesize Maths article.