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Mathematics 18 Online
OpenStudy (anonymous):

The first four diagrams in a pattern are shown. Each shape is made from small squares of area 1 cm^2. Find the total area of the first 9 diagrams in the pattern.

OpenStudy (anonymous):

1 - 4 2 - 8 3 - 16 4 - 32

OpenStudy (anonymous):

this is a geometric series

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