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Question 140 (iii)

The pieces of Tangrams have been rearranged to make the given shape.

By observing the given shape, answer the following questions.
What percentage of total has been coloured ?

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Solution

Total coloured shape =18+18+18+116+116+14+14=1
Green coloured shape =116+116=1+116=216=18 [by observation]
Hence, percentage of green coloured shape =Blue coloured sahpeTotal coloured shape×100%=181×100%=18×100%=12.5%


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