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Mathematics 15 Online
OpenStudy (nickj123):

if xa is an altitude of xyz find xa

OpenStudy (nickj123):

OpenStudy (nickj123):

A. 4 B. 11 C. 18 D. 66

OpenStudy (runner01):

looks like c but i could be wrong

OpenStudy (welshfella):

< ZAX = 90 = (2x - 72) degrees right?

OpenStudy (welshfella):

it looks that way so 2x - 72 = 90 2x = 162 so solve for x Then replace the x in x-15 by the value you found to get the length of ZA.

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