Angle Theorem 9

Theorem

Below is an interactive version of the diagram. Drag the points to see how the diagram responds.

The following animation was created and is shared by Anthony C.M. OR under a License: CC-BY-SA.

Main Angle Theorems page.

When you think that the angle theorems are understood head for an Angle Activity.

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Three Ways

Three Ways

Can you get to the target number by multiplying together four different one digit numbers? Can you do it in three different ways? There are nine levels to this online challenge and a virtual Transum Trophy available for each level.

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Two-Step Percentages

Two-Step Percentages

An exercise in which each problem requires two percentage calculations to find the solution. So far this activity has been accessed 85 times and 4 Transum Trophies have been awarded for completing it.

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