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Mathematics 15 Online
OpenStudy (anonymous):

what are the values of a and b?

OpenStudy (anonymous):

OpenStudy (welshfella):

use the property of similar triangles - their corresponding sides are in the same ratio

OpenStudy (welshfella):

the large triangle and the smaller one containing the sides a and b are similar

OpenStudy (anonymous):

So a would be 18?

OpenStudy (welshfella):

how did you get that?

Directrix (directrix):

The triangles are similar by the AA Postulate. It appears to me that we are missing a third numerical measure that is needed to solve the problem. @Mikayla_Rose Is the outer, large triangle given to be a right triangle? |dw:1444254138067:dw|

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