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Mathematics 5 Online
OpenStudy (peachy1):

math help not sure?

hartnn (hartnn):

how?

hartnn (hartnn):

similar figures have sides proportional. so, \(\Large \dfrac{x}{15} = \dfrac{9}{6}\) get x from here :)

hartnn (hartnn):

x= 9*15/6 = 45/2 = 22.5

hartnn (hartnn):

also, equilateral triangles will always have all angles as 60, so they will be similar from AAA test of similarity.

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