Question 140 (ii)
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 ?
Total coloured shape =18+18+18+116+116+14+14=1
Blue coloured shape =14+14=1+14 [by observation]
Hence, percentage of blue coloured shape =Blue coloured shapeTotal coloured shape×100%121×100%=12×100%=50%