Curvature

There are 4 NRICH Mathematical resources connected to Curvature
Giant Holly Leaf
problem

Giant Holly Leaf

Age
14 to 16
Challenge level
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Find the perimeter and area of a holly leaf that will not lie flat (it has negative curvature with 'circles' having circumference greater than 2πr).
Geometry and Gravity 1
article

Geometry and Gravity 1

This article (the first of two) contains ideas for investigations. Space-time, the curvature of space and topology are introduced with some fascinating problems to explore.
Geometry and Gravity 2
article

Geometry and Gravity 2

This is the second of two articles and discusses problems relating to the curvature of space, shortest distances on surfaces, triangulations of surfaces and representation by graphs.
Curvature of Surfaces
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Curvature of Surfaces

How do we measure curvature? Find out about curvature on soccer and rugby balls and on surfaces of negative curvature like banana skins.