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#### Resources tagged with Perpendicular lines similar to The Lily Pond:

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### There are 6 results

Broad Topics > 2D Geometry, Shape and Space > Perpendicular lines

### Dotty Relationship

##### Stage: 2 Challenge Level:

Can you draw perpendicular lines without using a protractor? Investigate how this is possible.

### What Are You Plotting?

##### Stage: 2 Challenge Level:

Investigate the positions of points which have particular x and y coordinates. What do you notice?

### Right Time

##### Stage: 3 Challenge Level:

At the time of writing the hour and minute hands of my clock are at right angles. How long will it be before they are at right angles again?

### Sorting Letters

##### Stage: 1 and 2 Challenge Level:

This interactivity allows you to sort letters of the alphabet into two groups according to different properties.

### At Right Angles

##### Stage: 3 Challenge Level:

Can you decide whether two lines are perpendicular or not? Can you do this without drawing them?

### Perpendicular Lines

##### Stage: 3 Challenge Level:

Position the lines so that they are perpendicular to each other. What can you say about the equations of perpendicular lines?