# 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?(i) Red (R) = _________(ii) Blue (B) = ________(iii) Green (G) = _______• Check that the sum of all the percentages calculated above should be 100.• If we rearrange the same pieces to form some other shape, will the percentage of colours change?

1) Total coloured shape = + + + + + + = 1

i) Red coloured shape = + + =

Percentage of Red coloured = × 100%

= = 37.5%

ii) Blue coloured shape = + =

Percentage of blue coloured shape = × 100%

= × 100%

iii) Green coloured shape = +

=

Percentage of green coloured shape = × 100%

= × 100%

2) Sum of all percentages calculated = Percentage of red coloured + percentage of blue coloured + percentage of green coloured

= 37.5 + 50 + 12.5

= 100%

3) If we rearrange the same pieces to form some other shape, the percentage of colours will not change, because we just rearrange the parts and not changing the percentage of colours.

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