Resources tagged with Scale factors similar to Equilateral Areas:
Other tags that relate to Equilateral Areas
Making and proving conjectures. Scale factors. Mathematical modelling. Mathematical reasoning & proof. Generalising. Calculus generally. Pythagoras' theorem. Circles. Manipulating algebraic expressions/formulae. Area.There are 10 results
Broad Topics > Transformations and their Properties > Scale factors
Growing Rectangles
Stage: 3 Challenge Level: 
What happens to the area and volume of 2D and 3D shapes when you enlarge them?
Matter of Scale
Stage: 4 Challenge Level:
Prove Pythagoras' Theorem using enlargements and scale factors.
Who Is the Fairest of Them All ?
Stage: 3 Challenge Level:
Explore the effect of combining enlargements.
The Rescaled Map
Stage: 4 Challenge Level:
We use statistics to give ourselves an informed view on a subject of interest. This problem explores how to scale countries on a map to represent characteristics other than land area.
Fill Me up Too
Stage: 4 Challenge Level:
In Fill Me Up we invited you to sketch graphs as vessels are filled with water. Can you work out the equations of the graphs?
Fit for Photocopying
Stage: 4 Challenge Level:
Explore the relationships between different paper sizes.
Where Am I?
Stage: 3 and 4 Challenge Level:
From the information you are asked to work out where the picture was taken. Is there too much information? How accurate can your answer be?
Arrh!
Stage: 4 Challenge Level:
Triangle ABC is equilateral. D, the midpoint of BC, is the centre of the semi-circle whose radius is R which touches AB and AC, as well as a smaller circle with radius r which also touches AB and AC. . . .
Conical Bottle
Stage: 4 Challenge Level:
A right circular cone is filled with liquid to a depth of half its vertical height. The cone is inverted. How high up the vertical height of the cone will the liquid rise?
NRICH is part of the family of activities in the Millennium Mathematics Project.