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Mathematics 7 Online
OpenStudy (anonymous):

What is the length, to the nearest tenth of a centimeter, of the blue space diagonal? 7.2 cm 8.2 cm 9.2 cm 10.2 cm

OpenStudy (anonymous):

OpenStudy (campbell_st):

use pythagoras' theorem to find the red diagonal, \[r^2 = 8^2 + 2^2\] then use pythagoras again to find the blue diagonal.....

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