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Mathematics 16 Online
OpenStudy (anonymous):

The sides of an equailateral triangle are 10 cm. Find the length of the altitude.

OpenStudy (cwrw238):

|dw:1340180576618:dw|

OpenStudy (anonymous):

use trigonometry |dw:1340180697578:dw| sin 60=height/10 sqrt(3)/2=height/10 height=sqrt(3)/2*10 done

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