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Intermediate

The traffic light

Two congruent circles and a triangle are contained in a circle. What fraction is coloured?

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Solution

A fraction of 32/81 is coloured.

Solution by Dr Rick.

Poem

Green and red
Red and green
Traffic lights are always been
With sometimes orange also
They alow to stop, to go
Red is warning us from danger
Green is always doing us a favor
Orange is not like the fruit
And twinkles twinkles
But all three are still shining bright.
Day and night

Bella

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