Area - circles, sectors and segments
problem
Curvy areas
Have a go at creating these images based on circles. What do you notice about the areas of the different sections?
problem
Partly Circles
What is the same and what is different about these circle
questions? What connections can you make?
problem
Handy Angles
Weekly Problem 39 - 2008
How big is the angle between the hour hand and the minute hand of a clock at twenty to five?
How big is the angle between the hour hand and the minute hand of a clock at twenty to five?
problem
Gutter
Manufacturers need to minimise the amount of material used to make
their product. What is the best cross-section for a gutter?
problem
Spokes
Draw three equal line segments in a unit circle to divide the circle into four parts of equal area.